Trammel Middle Camp, Bridge House No. 3, Trammel, Dickenson County, Vi...
Survey number: HABS VA-1344-B Public domain photograph of architecture design, diagram, drawing, building plan, free to use, no copyright restrictions image - Picryl description
Bacon Island Road Bridge, Spanning Middle River at Bacon Island Road, ...
Significance: The Bacon Island Road Bridge is the oldest highway swing span bridge in California. It is important in local history for its relation to agricultural and economic development in the Sacramento-Sa... More
Bacon Island Road Bridge, Spanning Middle River at Bacon Island Road, ...
Significance: The Bacon Island Road Bridge is the oldest highway swing span bridge in California. It is important in local history for its relation to agricultural and economic development in the Sacramento-Sa... More
Middle Fork Stanislaus River Bridge, Spans Middle Fork Stanislaus Rive...
Significance: The Middle Fork Stanislaus River Bridge, also known as the Dardanelle Bridge, represents the last known timber scissors truss a bridge type well suited for quick erection in rugged locations wit... More
Middle Fork Stanislaus River Bridge, Spans Middle Fork Stanislaus Rive...
Significance: The Middle Fork Stanislaus River Bridge, also known as the Dardanelle Bridge, represents the last known timber scissors truss a bridge type well suited for quick erection in rugged locations wit... More
Carpenter's Ford Bridge, State Route 775, over Middle River, Crimora, ...
Significance: Carpenter's Ford Bridge is a representative example of a pin-connected steel Pratt through truss, typical of late nineteenth century factory manufactured bridges. Survey number: HAER VA-99 Build... More
Middle Bridge American Sycamore, Near former site of the historic midd...
See also HABS MD-307 for related documentation. Significance: The Middle Bridge American Sycamore (Platanus occidentalis) is significant for its historical association with Union Gen. George B. McClellan's inde... More
Freeman's Crossing Bridge, Spanning Middle Fork of Yuba River at CA St...
Significance: Freeman's Crossing Bridge, also known as the Middle Yuba Bridge and determined eligible for the National Register of Historic Places in 1986, is an excellent example of a reinforced concrete open-... More
Freeman's Crossing Bridge, Spanning Middle Fork of Yuba River at CA St...
Significance: Freeman's Crossing Bridge, also known as the Middle Yuba Bridge and determined eligible for the National Register of Historic Places in 1986, is an excellent example of a reinforced concrete open-... More
North Fork of Crazy Woman Creek Bridge, Spanning North Fork of Crazy W...
This bridge was originally located in Casper, WY, moved to Porcupine Creek in Campbell County, WY, then moved again to its current location in the vicinity of Buffalo, Johnson County, WY. There are plans to mo... More
North Fork of Crazy Woman Creek Bridge, Spanning North Fork of Crazy W...
This bridge was originally located in Casper, WY, moved to Porcupine Creek in Campbell County, WY, then moved again to its current location in the vicinity of Buffalo, Johnson County, WY. There are plans to mo... More
North Fork of Crazy Woman Creek Bridge, Spanning North Fork of Crazy W...
This bridge was originally located in Casper, WY, moved to Porcupine Creek in Campbell County, WY, then moved again to its current location in the vicinity of Buffalo, Johnson County, WY. There are plans to mo... More
Tule River Hydroelectric Complex, Tule River Bridge, Spanning North Fo...
Significance: The Tule River Hydroelectric Complex is associated with events that have made a significant contribution to the broad patterns of local history: the development of hydroelectric power which made ... More
Tule River Hydroelectric Project, Water Conveyance System, Middle Fork...
Significance: The Tule River Hydroelectric Project is significant for its contribution to the development of hydroelectric power which made possible the expansion of irrigated agricultural in the southern San J... More
Taylor Bridge, Spanning Middle River at Bayfield Road, Amnicon Falls, ...
Significance: Crossing the Middle River in rural Douglas County in northwest Wisconsin, the Taylor Bridge is a timber, bolt-connected, pony truss of queen-post design. Constructed in 1929-30, it is the last rem... More
Office Bridge, Spanning North Fork of Middle Fork Willamette River, Ol...
Significance: Built in 1944 to provide access to the Westfir Lumber Company mill site, Office Bridge is the largest covered bridge in Oregon and a significant artifact of the state's lumber industry. It is one... More
West Wishkah Bridge, West Wishkah Road Spanning Wishkah River Middle F...
Significance: The West Wishkah River Bridge is the only remaining highway bridge of double intersection Warren through truss design in the state of Washington. It is the work of F.D. Sheffield, a civil enginee... More
West Wishkah Bridge, West Wishkah Road Spanning Wishkah River Middle F...
Significance: The West Wishkah River Bridge is the only remaining highway bridge of double intersection Warren through truss design in the state of Washington. It is the work of F.D. Sheffield, a civil enginee... More
West Wishkah Bridge, West Wishkah Road Spanning Wishkah River Middle F...
Significance: The West Wishkah River Bridge is the only remaining highway bridge of double intersection Warren through truss design in the state of Washington. It is the work of F.D. Sheffield, a civil enginee... More
Gross Covered Bridge, Spanning Middle Creek, Route 574, Beaver Springs...
Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
Gross Covered Bridge, Spanning Middle Creek, Route 574, Beaver Springs...
Public domain photograph of attic, house frame, free to use, no copyright restrictions image - Picryl description
Gross Covered Bridge, Spanning Middle Creek, Route 574, Beaver Springs...
Public domain photograph of attic, house frame, free to use, no copyright restrictions image - Picryl description
Gross Covered Bridge, Spanning Middle Creek, Route 574, Beaver Springs...
Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.
Knightly Bridge, Spanning Middle River at State Route 778, Knightly, A...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Williams Road Bridge, Spanning Sugar Creek Middle Branch, Chapmanville...
Significance: Williams Road Bridge is a unique vernacular example of a late-nineteenth century pin-connected Pratt through truss adapted for re-use as a county bridge in the late twentieth century. It is of en... More
Williams Road Bridge, Spanning Sugar Creek Middle Branch, Chapmanville...
Significance: Williams Road Bridge is a unique vernacular example of a late-nineteenth century pin-connected Pratt through truss adapted for re-use as a county bridge in the late twentieth century. It is of en... More
Livestock on the James Gates ranch at Gates, Nebraska, showing Gates ...
original size: 6x8 Public domain photograph - historical image of Nebraska, United States, free to use, no copyright restrictions image - Picryl description
![[Wassen, and Middle Maienreuss Bridge, St. Gotthard, Switzerland]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMTAvMDQvd2Fzc2VuLWFuZC1taWRkbGUtbWFpZW5yZXVzcy1icmlkZ2Utc3QtZ290dGhhcmQtc3dpdHplcmxhbmQtMzMyMWM2LTEwMjQuanBn/40/29/webp "[Wassen, and Middle Maienreuss Bridge, St. Gotthard, Switzerland]")
[Wassen, and Middle Maienreuss Bridge, St. Gotthard, Switzerland]
Title from the Detroit Publishing Co., Catalogue J foreign section, Detroit, Mich. : Detroit Publishing Company, 1905. Print no. "6627". Forms part of: Views of Switzerland in the Photochrom print collection.
Holliwell Bridge, Spanning Middle River at Holliwell Bridge Road (now ...
See Historical Overview of Iowa Bridges, HAER No. IA-88, which provides a unified historical context of bridges included in Iowa Historic Bridges Recording Project I and II. Significance: Madison County has the... More
Holliwell Bridge, Spanning Middle River at Holliwell Bridge Road (now ...
See Historical Overview of Iowa Bridges, HAER No. IA-88, which provides a unified historical context of bridges included in Iowa Historic Bridges Recording Project I and II. Significance: Madison County has the... More
Mount Meridian Bridge, Spanning Middle River at State Route 769, Grott...
Significance: The Mount Meridian Bridge is a representative example of a pin-connected steel Pratt through truss typical of late nineteenth century factory-manufactured bridges. Survey number: HAER VA-98
Bevington Bridge, Spanning Middle River at Warren Street, Bevington, M...
Significance: Built in 1884 in the crossroads town of Bevington, this wagon bridge consists of a pin-connected through truss, with iron cylinder piers and timber stringer approaches. This 102-foot channel span... More
Bevington Bridge, Spanning Middle River at Warren Street, Bevington, M...
Significance: Built in 1884 in the crossroads town of Bevington, this wagon bridge consists of a pin-connected through truss, with iron cylinder piers and timber stringer approaches. This 102-foot channel span... More
Middle Fork Stanislaus River Bridge, Spans Middle Fork Stanislaus Rive...
Significance: The Middle Fork Stanislaus River Bridge, also known as the Dardanelle Bridge, represents the last known timber scissors truss a bridge type well suited for quick erection in rugged locations wit... More
Middle Fork Stanislaus River Bridge, Spans Middle Fork Stanislaus Rive...
Significance: The Middle Fork Stanislaus River Bridge, also known as the Dardanelle Bridge, represents the last known timber scissors truss a bridge type well suited for quick erection in rugged locations wit... More
Middle Fork Stanislaus River Bridge, Spans Middle Fork Stanislaus Rive...
Significance: The Middle Fork Stanislaus River Bridge, also known as the Dardanelle Bridge, represents the last known timber scissors truss a bridge type well suited for quick erection in rugged locations wit... More
Middle Fork Stanislaus River Bridge, Spans Middle Fork Stanislaus Rive...
Significance: The Middle Fork Stanislaus River Bridge, also known as the Dardanelle Bridge, represents the last known timber scissors truss a bridge type well suited for quick erection in rugged locations wit... More
Newcomer Farm, House, Boonsboro Pike near Middle Bridge, Sharpsburg, W...
Significance: Architecturally, the Newcomer house is a typical example of a regional log house. Its proximity to the middle bridge lends the Newcomer house further historical significance. Survey number: HABS... More
New Bedford-Fairhaven Middle Bridge, Spanning Acushnet River on U.S. H...
Significance: The New Bedford-Fairhaven Middle Bridge is a relatively early example of electric power applied to a moveable bridge span, and is one of the longest (288') surviving swing spans in Massachusetts, ... More
Middle Bridge, Spanning Osage River, Warsaw, Benton County, MO
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Middle Bridge, Spanning Osage River, Warsaw, Benton County, MO
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Missouri & North Arkansas Railroad Bridge, Spanning Middle Fork Little...
Significance: The Missouri & North Arkansas Railroad Bridge at Shirley, Arkansas is an example of a Baltimore through truss, a modification of the Pratt truss development by the Pennsylvania Railroad in 1871. ... More
Carpenter's Ford Bridge, State Route 775, over Middle River, Crimora, ...
Significance: Carpenter's Ford Bridge is a representative example of a pin-connected steel Pratt through truss, typical of late nineteenth century factory manufactured bridges. Survey number: HAER VA-99 Build... More
Freeman's Crossing Bridge, Spanning Middle Fork of Yuba River at CA St...
Significance: Freeman's Crossing Bridge, also known as the Middle Yuba Bridge and determined eligible for the National Register of Historic Places in 1986, is an excellent example of a reinforced concrete open-... More
Freeman's Crossing Bridge, Spanning Middle Fork of Yuba River at CA St...
Significance: Freeman's Crossing Bridge, also known as the Middle Yuba Bridge and determined eligible for the National Register of Historic Places in 1986, is an excellent example of a reinforced concrete open-... More
Middle Creek Bridge, Spanning Middle Creek at Ventura Road, Rose Hill,...
Significance: The Middle Creek Bridge, a 4-panel Pratt pony truss, is one of only four bridges remaining built by Seevers Manufacturing Company, based in Oskaloosa, Iowa. The use of steel pipe for the upper ch... More
Middle Creek Bridge, Spanning Middle Creek at Ventura Road, Rose Hill,...
Significance: The Middle Creek Bridge, a 4-panel Pratt pony truss, is one of only four bridges remaining built by Seevers Manufacturing Company, based in Oskaloosa, Iowa. The use of steel pipe for the upper ch... More
Tule River Hydroelectric Project, Water Conveyance System, Middle Fork...
Significance: The Tule River Hydroelectric Project is significant for its contribution to the development of hydroelectric power which made possible the expansion of irrigated agricultural in the southern San J... More
Tule River Hydroelectric Project, Water Conveyance System, Middle Fork...
Significance: The Tule River Hydroelectric Project is significant for its contribution to the development of hydroelectric power which made possible the expansion of irrigated agricultural in the southern San J... More
Taylor Bridge, Spanning Middle River at Bayfield Road, Amnicon Falls, ...
Significance: Crossing the Middle River in rural Douglas County in northwest Wisconsin, the Taylor Bridge is a timber, bolt-connected, pony truss of queen-post design. Constructed in 1929-30, it is the last rem... More
Office Bridge, Spanning North Fork of Middle Fork Willamette River, Ol...
Significance: Built in 1944 to provide access to the Westfir Lumber Company mill site, Office Bridge is the largest covered bridge in Oregon and a significant artifact of the state's lumber industry. It is one... More
West Wishkah Bridge, West Wishkah Road Spanning Wishkah River Middle F...
Significance: The West Wishkah River Bridge is the only remaining highway bridge of double intersection Warren through truss design in the state of Washington. It is the work of F.D. Sheffield, a civil enginee... More
West Wishkah Bridge, West Wishkah Road Spanning Wishkah River Middle F...
Significance: The West Wishkah River Bridge is the only remaining highway bridge of double intersection Warren through truss design in the state of Washington. It is the work of F.D. Sheffield, a civil enginee... More
West Wishkah Bridge, West Wishkah Road Spanning Wishkah River Middle F...
Significance: The West Wishkah River Bridge is the only remaining highway bridge of double intersection Warren through truss design in the state of Washington. It is the work of F.D. Sheffield, a civil enginee... More
Gross Covered Bridge, Spanning Middle Creek, Route 574, Beaver Springs...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Knightly Bridge, Spanning Middle River at State Route 778, Knightly, A...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Williams Road Bridge, Spanning Sugar Creek Middle Branch, Chapmanville...
Significance: Williams Road Bridge is a unique vernacular example of a late-nineteenth century pin-connected Pratt through truss adapted for re-use as a county bridge in the late twentieth century. It is of en... More
Holliwell Bridge, Spanning Middle River at Holliwell Bridge Road (now ...
See Historical Overview of Iowa Bridges, HAER No. IA-88, which provides a unified historical context of bridges included in Iowa Historic Bridges Recording Project I and II. Significance: Madison County has the... More
Holliwell Bridge, Spanning Middle River at Holliwell Bridge Road (now ...
See Historical Overview of Iowa Bridges, HAER No. IA-88, which provides a unified historical context of bridges included in Iowa Historic Bridges Recording Project I and II. Significance: Madison County has the... More
Mount Meridian Bridge, Spanning Middle River at State Route 769, Grott...
Significance: The Mount Meridian Bridge is a representative example of a pin-connected steel Pratt through truss typical of late nineteenth century factory-manufactured bridges. Survey number: HAER VA-98
Roseman Bridge, Spanning Middle River at bypassed section of Webster T...
Public domain photograph of a barn, farm, free to use, no copyright restrictions image - Picryl description
Bacon Island Road Bridge, Spanning Middle River at Bacon Island Road, ...
Significance: The Bacon Island Road Bridge is the oldest highway swing span bridge in California. It is important in local history for its relation to agricultural and economic development in the Sacramento-Sa... More
Bevington Bridge, Spanning Middle River at Warren Street, Bevington, M...
Significance: Built in 1884 in the crossroads town of Bevington, this wagon bridge consists of a pin-connected through truss, with iron cylinder piers and timber stringer approaches. This 102-foot channel span... More
Middle Creek Hydroelectric Dam, On Middle Creek, West of U.S. Route 15...
Significance: The Middle Creek Hydroelectric Dam is a significant example of a timber crib dam and small electric generating station, that is typical of early rural electrification in America. Locally it was a... More
Middle Bridge, Spanning Osage River, Warsaw, Benton County, MO
Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.
U. S. 23 Middle Bridge, Spanning Levisa Fork, Pikeville, Pike County, ...
Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.
Kentucky Route 708 Bridge, Spanning Middle Fork of Kentucky River, Tal...
Significance: Only mixed pony-through truss by Oregonia Bridge Company in Kentucky. Survey number: HAER KY-15 Building/structure dates: 1917 Initial Construction
Los Angeles Aqueduct, Middle Gorge Power Plant, Los Angeles, Los Angel...
Survey number: HAER CA-298-J Public domain photograph of a bridge, arch over water, river, free to use, no copyright restrictions image - Picryl description
Freeman's Crossing Bridge, Spanning Middle Fork of Yuba River at CA St...
Significance: Freeman's Crossing Bridge, also known as the Middle Yuba Bridge and determined eligible for the National Register of Historic Places in 1986, is an excellent example of a reinforced concrete open-... More
Middle Creek Bridge, Spanning Middle Creek at Ventura Road, Rose Hill,...
Significance: The Middle Creek Bridge, a 4-panel Pratt pony truss, is one of only four bridges remaining built by Seevers Manufacturing Company, based in Oskaloosa, Iowa. The use of steel pipe for the upper ch... More
Middle Creek Bridge, Spanning Middle Creek at Ventura Road, Rose Hill,...
Significance: The Middle Creek Bridge, a 4-panel Pratt pony truss, is one of only four bridges remaining built by Seevers Manufacturing Company, based in Oskaloosa, Iowa. The use of steel pipe for the upper ch... More
Tule River Hydroelectric Complex, Tule River Bridge, Spanning North Fo...
Significance: The Tule River Hydroelectric Complex is associated with events that have made a significant contribution to the broad patterns of local history: the development of hydroelectric power which made ... More
Tule River Hydroelectric Complex, Tule River Bridge, Spanning North Fo...
Significance: The Tule River Hydroelectric Complex is associated with events that have made a significant contribution to the broad patterns of local history: the development of hydroelectric power which made ... More
Tule River Hydroelectric Complex, Tule River Bridge, Spanning North Fo...
Significance: The Tule River Hydroelectric Complex is associated with events that have made a significant contribution to the broad patterns of local history: the development of hydroelectric power which made ... More
Taylor Bridge, Spanning Middle River at Bayfield Road, Amnicon Falls, ...
Significance: Crossing the Middle River in rural Douglas County in northwest Wisconsin, the Taylor Bridge is a timber, bolt-connected, pony truss of queen-post design. Constructed in 1929-30, it is the last rem... More
Taylor Bridge, Spanning Middle River at Bayfield Road, Amnicon Falls, ...
Significance: Crossing the Middle River in rural Douglas County in northwest Wisconsin, the Taylor Bridge is a timber, bolt-connected, pony truss of queen-post design. Constructed in 1929-30, it is the last rem... More
Office Bridge, Spanning North Fork of Middle Fork Willamette River, Ol...
Significance: Built in 1944 to provide access to the Westfir Lumber Company mill site, Office Bridge is the largest covered bridge in Oregon and a significant artifact of the state's lumber industry. It is one... More
West Wishkah Bridge, West Wishkah Road Spanning Wishkah River Middle F...
Significance: The West Wishkah River Bridge is the only remaining highway bridge of double intersection Warren through truss design in the state of Washington. It is the work of F.D. Sheffield, a civil enginee... More
Gross Covered Bridge, Spanning Middle Creek, Route 574, Beaver Springs...
Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
Knightly Bridge, Spanning Middle River at State Route 778, Knightly, A...
Picryl description: Public domain image of an arch bridge, stone structure, architecture, free to use, no copyright restrictions.
Holliwell Bridge, Spanning Middle River at Holliwell Bridge Road (now ...
See Historical Overview of Iowa Bridges, HAER No. IA-88, which provides a unified historical context of bridges included in Iowa Historic Bridges Recording Project I and II. Significance: Madison County has the... More
Holliwell Bridge, Spanning Middle River at Holliwell Bridge Road (now ...
See Historical Overview of Iowa Bridges, HAER No. IA-88, which provides a unified historical context of bridges included in Iowa Historic Bridges Recording Project I and II. Significance: Madison County has the... More
Mount Meridian Bridge, Spanning Middle River at State Route 769, Grott...
Significance: The Mount Meridian Bridge is a representative example of a pin-connected steel Pratt through truss typical of late nineteenth century factory-manufactured bridges. Survey number: HAER VA-98
Bacon Island Road Bridge, Spanning Middle River at Bacon Island Road, ...
Significance: The Bacon Island Road Bridge is the oldest highway swing span bridge in California. It is important in local history for its relation to agricultural and economic development in the Sacramento-Sa... More
Bacon Island Road Bridge, Spanning Middle River at Bacon Island Road, ...
Significance: The Bacon Island Road Bridge is the oldest highway swing span bridge in California. It is important in local history for its relation to agricultural and economic development in the Sacramento-Sa... More
Bacon Island Road Bridge, Spanning Middle River at Bacon Island Road, ...
Significance: The Bacon Island Road Bridge is the oldest highway swing span bridge in California. It is important in local history for its relation to agricultural and economic development in the Sacramento-Sa... More
Middle Bridge, Spanning Jackson Park Lagoon at East Hayes Drive, Chica...
Public domain image of a historic building, free to use, no copyright restrictions - Picryl description
Bevington Bridge, Spanning Middle River at Warren Street, Bevington, M...
Significance: Built in 1884 in the crossroads town of Bevington, this wagon bridge consists of a pin-connected through truss, with iron cylinder piers and timber stringer approaches. This 102-foot channel span... More
Middle Fork Stanislaus River Bridge, Spans Middle Fork Stanislaus Rive...
Significance: The Middle Fork Stanislaus River Bridge, also known as the Dardanelle Bridge, represents the last known timber scissors truss a bridge type well suited for quick erection in rugged locations wit... More
U. S. 23 Middle Bridge, Spanning Levisa Fork, Pikeville, Pike County, ...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
U. S. 23 Middle Bridge, Spanning Levisa Fork, Pikeville, Pike County, ...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Kentucky Route 708 Bridge, Spanning Middle Fork of Kentucky River, Tal...
Significance: Only mixed pony-through truss by Oregonia Bridge Company in Kentucky. Survey number: HAER KY-15 Building/structure dates: 1917 Initial Construction
Carpenter's Ford Bridge, State Route 775, over Middle River, Crimora, ...
Significance: Carpenter's Ford Bridge is a representative example of a pin-connected steel Pratt through truss, typical of late nineteenth century factory manufactured bridges. Survey number: HAER VA-99 Build... More
Carpenter's Ford Bridge, State Route 775, over Middle River, Crimora, ...
Significance: Carpenter's Ford Bridge is a representative example of a pin-connected steel Pratt through truss, typical of late nineteenth century factory manufactured bridges. Survey number: HAER VA-99 Build... More
Newcomer Farm, Barn, Boonsboro Pike near Middle Bridge, Sharpsburg, Wa...
Survey number: HABS MD-941-A Building/structure dates: ca. 1800 Initial Construction National Register of Historic Places NRIS Number: 66000038
Freeman's Crossing Bridge, Spanning Middle Fork of Yuba River at CA St...
Significance: Freeman's Crossing Bridge, also known as the Middle Yuba Bridge and determined eligible for the National Register of Historic Places in 1986, is an excellent example of a reinforced concrete open-... More
Freeman's Crossing Bridge, Spanning Middle Fork of Yuba River at CA St...
Significance: Freeman's Crossing Bridge, also known as the Middle Yuba Bridge and determined eligible for the National Register of Historic Places in 1986, is an excellent example of a reinforced concrete open-... More
Freeman's Crossing Bridge, Spanning Middle Fork of Yuba River at CA St...
Significance: Freeman's Crossing Bridge, also known as the Middle Yuba Bridge and determined eligible for the National Register of Historic Places in 1986, is an excellent example of a reinforced concrete open-... More
Tule River Hydroelectric Project, Water Conveyance System, Middle Fork...
Significance: The Tule River Hydroelectric Project is significant for its contribution to the development of hydroelectric power which made possible the expansion of irrigated agricultural in the southern San J... More
Office Bridge, Spanning North Fork of Middle Fork Willamette River, Ol...
Significance: Built in 1944 to provide access to the Westfir Lumber Company mill site, Office Bridge is the largest covered bridge in Oregon and a significant artifact of the state's lumber industry. It is one... More