Old Grade Road Bridge, Spanning Brashear Drainage Ditch (Salt River), ...
Significance: One of less than five known skewed high Pratt through truss bridges in Missouri. Survey number: HAER MO-47 Building/structure dates: 1924 Initial Construction
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Salt River Bridge, Spanning Salt River at Dillon Road, Ferndale, Humbo...
Significance: The Salt River Bridge, also known as the Valley Flower Bridge, determined eligible for inclusion in the National Register of Historic Places in 1987, represents a major example of the work of a si... More
Salt River Bridge, Spanning Salt River at Dillon Road, Ferndale, Humbo...
Significance: The Salt River Bridge, also known as the Valley Flower Bridge, determined eligible for inclusion in the National Register of Historic Places in 1987, represents a major example of the work of a si... More
Theodore Roosevelt Dam, Transformer House, Salt River, Tortilla Flat, ...
Survey number: HAER AZ-6-B Building/structure dates: 1908 Initial Construction National Register of Historic Places NRIS Number: 100001454
Theodore Roosevelt Dam, Transformer House, Salt River, Tortilla Flat, ...
Survey number: HAER AZ-6-B Building/structure dates: 1908 Initial Construction National Register of Historic Places NRIS Number: 100001454
Western Canal, South side of Salt River between Tempe, Phoenix & Mesa,...
Significance: The Western Canal expanded the irrigable acreage of the Salt River Project; constructed partly by the Reclamation Service and partly by the landowners to be served; supplied water to the Highline ... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Arizona Eastern Railroad Bridge, Spanning Salt River, Tempe, Maricopa ...
Significance: Longest-standing railroad bridge at a location notorious for flood damage; last remaining railroad bridge in Tempe. Nine-span Pratt truss style illustrates evolution of bridge engineering of the e... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Highline Canal & Pumping Station, South side of Salt River between Tem...
Significance: The Highline Canal expanded the irrigable acreage of the Salt River Project. The pumping plant was the only surface water canal pump on the project. Survey number: HAER AZ-23 Building/structure ... More
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Santa Fe Bridge, Spanning South Fork of Salt River at County Road 24, ...
Significance: Designed, fabricated and erected by the St. Louis Bridge and Iron Company in 1888, the through truss on the Santa Fe Bridge originally spanned the South Fork of the Salt River one mile south of th... More
Western Canal, South side of Salt River between Tempe, Phoenix & Mesa,...
Significance: The Western Canal expanded the irrigable acreage of the Salt River Project; constructed partly by the Reclamation Service and partly by the landowners to be served; supplied water to the Highline ... More
Western Canal, South side of Salt River between Tempe, Phoenix & Mesa,...
Significance: The Western Canal expanded the irrigable acreage of the Salt River Project; constructed partly by the Reclamation Service and partly by the landowners to be served; supplied water to the Highline ... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Arizona Eastern Railroad Bridge, Spanning Salt River, Tempe, Maricopa ...
Significance: Longest-standing railroad bridge at a location notorious for flood damage; last remaining railroad bridge in Tempe. Nine-span Pratt truss style illustrates evolution of bridge engineering of the e... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Highline Canal & Pumping Station, South side of Salt River between Tem...
Significance: The Highline Canal expanded the irrigable acreage of the Salt River Project. The pumping plant was the only surface water canal pump on the project. Survey number: HAER AZ-23 Building/structure ... More
Highline Canal & Pumping Station, South side of Salt River between Tem...
Significance: The Highline Canal expanded the irrigable acreage of the Salt River Project. The pumping plant was the only surface water canal pump on the project. Survey number: HAER AZ-23 Building/structure ... More
Highline Canal & Pumping Station, South side of Salt River between Tem...
Significance: The Highline Canal expanded the irrigable acreage of the Salt River Project. The pumping plant was the only surface water canal pump on the project. Survey number: HAER AZ-23 Building/structure ... More
![[Salt River Project, Arizona. Cushong, or, fat Hen, a laborer on the Salt River Project, with two mules]](https://cache.getarchive.net/Prod/thumb/cdn18/L3Bob3RvLzIwMTkvMTIvMTMvc2FsdC1yaXZlci1wcm9qZWN0LWFyaXpvbmEtY3VzaG9uZy1vci1mYXQtaGVuLWEtbGFib3Jlci1vbi10aGUtc2FsdC1yaXZlci1wcm9qZWN0LTI0MjRlOC0xMDI0LmpwZw%3D%3D/40/31/webp "[Salt River Project, Arizona. Cushong, or, fat Hen, a laborer on the Salt River Project, with two mules]")
[Salt River Project, Arizona. Cushong, or, fat Hen, a laborer on the S...
National Photo Company Collection. No. 2675. Public domain photograph - Portrait, United States, free to use, no copyright restrictions image - Picryl description
Birds' eye view, Salt River Valley
J180331 U.S. Copyright Office Copyright deposit; West Coast Art Co.; April 14, 1913; DLC/PP-1913:44590. Copyright claimant's address: Los Angeles, Cal. No. 3084.
Old Grade Road Bridge, Spanning Brashear Drainage Ditch (Salt River), ...
Significance: One of less than five known skewed high Pratt through truss bridges in Missouri. Survey number: HAER MO-47 Building/structure dates: 1924 Initial Construction
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Salt River Bridge, Spanning Salt River at Dillon Road, Ferndale, Humbo...
Significance: The Salt River Bridge, also known as the Valley Flower Bridge, determined eligible for inclusion in the National Register of Historic Places in 1987, represents a major example of the work of a si... More
Salt River Bridge, Spanning Salt River at Dillon Road, Ferndale, Humbo...
Significance: The Salt River Bridge, also known as the Valley Flower Bridge, determined eligible for inclusion in the National Register of Historic Places in 1987, represents a major example of the work of a si... More
Salt River Bridge, Spanning Salt River at Dillon Road, Ferndale, Humbo...
Significance: The Salt River Bridge, also known as the Valley Flower Bridge, determined eligible for inclusion in the National Register of Historic Places in 1987, represents a major example of the work of a si... More
Western Canal, South side of Salt River between Tempe, Phoenix & Mesa,...
Significance: The Western Canal expanded the irrigable acreage of the Salt River Project; constructed partly by the Reclamation Service and partly by the landowners to be served; supplied water to the Highline ... More
Western Canal, South side of Salt River between Tempe, Phoenix & Mesa,...
Significance: The Western Canal expanded the irrigable acreage of the Salt River Project; constructed partly by the Reclamation Service and partly by the landowners to be served; supplied water to the Highline ... More
Western Canal, South side of Salt River between Tempe, Phoenix & Mesa,...
Significance: The Western Canal expanded the irrigable acreage of the Salt River Project; constructed partly by the Reclamation Service and partly by the landowners to be served; supplied water to the Highline ... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Highline Canal & Pumping Station, South side of Salt River between Tem...
Significance: The Highline Canal expanded the irrigable acreage of the Salt River Project. The pumping plant was the only surface water canal pump on the project. Survey number: HAER AZ-23 Building/structure ... More
Highline Canal & Pumping Station, South side of Salt River between Tem...
Significance: The Highline Canal expanded the irrigable acreage of the Salt River Project. The pumping plant was the only surface water canal pump on the project. Survey number: HAER AZ-23 Building/structure ... More
Highline Canal & Pumping Station, South side of Salt River between Tem...
Significance: The Highline Canal expanded the irrigable acreage of the Salt River Project. The pumping plant was the only surface water canal pump on the project. Survey number: HAER AZ-23 Building/structure ... More
Old Grade Road Bridge, Spanning Brashear Drainage Ditch (Salt River), ...
Significance: One of less than five known skewed high Pratt through truss bridges in Missouri. Survey number: HAER MO-47 Building/structure dates: 1924 Initial Construction
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Santa Fe Bridge, Spanning South Fork of Salt River at County Road 24, ...
Significance: Designed, fabricated and erected by the St. Louis Bridge and Iron Company in 1888, the through truss on the Santa Fe Bridge originally spanned the South Fork of the Salt River one mile south of th... More
Salt River Bridge, Spanning Salt River at Dillon Road, Ferndale, Humbo...
Significance: The Salt River Bridge, also known as the Valley Flower Bridge, determined eligible for inclusion in the National Register of Historic Places in 1987, represents a major example of the work of a si... More
Salt River Bridge, Spanning Salt River at Dillon Road, Ferndale, Humbo...
Significance: The Salt River Bridge, also known as the Valley Flower Bridge, determined eligible for inclusion in the National Register of Historic Places in 1987, represents a major example of the work of a si... More
Salt River Bridge, Spanning Salt River at Dillon Road, Ferndale, Humbo...
Significance: The Salt River Bridge, also known as the Valley Flower Bridge, determined eligible for inclusion in the National Register of Historic Places in 1987, represents a major example of the work of a si... More
Theodore Roosevelt Dam, Transformer House, Salt River, Tortilla Flat, ...
Survey number: HAER AZ-6-B Building/structure dates: 1908 Initial Construction National Register of Historic Places NRIS Number: 100001454
Western Canal, South side of Salt River between Tempe, Phoenix & Mesa,...
Significance: The Western Canal expanded the irrigable acreage of the Salt River Project; constructed partly by the Reclamation Service and partly by the landowners to be served; supplied water to the Highline ... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Highline Canal & Pumping Station, South side of Salt River between Tem...
Significance: The Highline Canal expanded the irrigable acreage of the Salt River Project. The pumping plant was the only surface water canal pump on the project. Survey number: HAER AZ-23 Building/structure ... More
Highline Canal & Pumping Station, South side of Salt River between Tem...
Significance: The Highline Canal expanded the irrigable acreage of the Salt River Project. The pumping plant was the only surface water canal pump on the project. Survey number: HAER AZ-23 Building/structure ... More
Old Grade Road Bridge, Spanning Brashear Drainage Ditch (Salt River), ...
Significance: One of less than five known skewed high Pratt through truss bridges in Missouri. Survey number: HAER MO-47 Building/structure dates: 1924 Initial Construction
Old Grade Road Bridge, Spanning Brashear Drainage Ditch (Salt River), ...
Significance: One of less than five known skewed high Pratt through truss bridges in Missouri. Survey number: HAER MO-47 Building/structure dates: 1924 Initial Construction
Western Canal, South side of Salt River between Tempe, Phoenix & Mesa,...
Significance: The Western Canal expanded the irrigable acreage of the Salt River Project; constructed partly by the Reclamation Service and partly by the landowners to be served; supplied water to the Highline ... More
Western Canal, South side of Salt River between Tempe, Phoenix & Mesa,...
Significance: The Western Canal expanded the irrigable acreage of the Salt River Project; constructed partly by the Reclamation Service and partly by the landowners to be served; supplied water to the Highline ... More
Western Canal, South side of Salt River between Tempe, Phoenix & Mesa,...
Significance: The Western Canal expanded the irrigable acreage of the Salt River Project; constructed partly by the Reclamation Service and partly by the landowners to be served; supplied water to the Highline ... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Horse Mesa Dam, Salt River, 65 miles East of Phoenix, Phoenix, Maricop...
Significance: It was the second dam constructed under the Salt River Project's hydroelectric expansion program in the 1920s. Survey number: HAER AZ-15 Building/structure dates: 1927 Initial Construction Nati... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Grand Canal, North side of Salt River, Tempe, Maricopa County, AZ
Significance: This was the first Salt River Valley canal that was built by a canal company; that improved northside distribution system; that was the site of the most significant low-head hydropower plant of th... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa Count...
Significance: This was the largest low-head hydro plant in the SRP system. From about 1915 to 1938, it represented a large percentage of the SRP generating capacity. Survey number: HAER AZ-30 Building/structu... More
Highline Canal & Pumping Station, South side of Salt River between Tem...
Significance: The Highline Canal expanded the irrigable acreage of the Salt River Project. The pumping plant was the only surface water canal pump on the project. Survey number: HAER AZ-23 Building/structure ... More
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More
Ash Avenue Bridge, Spanning Salt River at Foot of Ash Avenue, Tempe, M...
Significance: Constructed over the Salt River on the Pheonix-Tempe Highway, the Ash Avenue Bridge is the first concrete multi-arch bridge erected in Arizona. The structure is comprised of eleven spans of two-ri... More