Eagle Point Bridge, Dubuque, Dubuque County, IA
Significance: Eagle Point Bridge was the fifth Mississippi River bridge to Iowa to be erected exclusively for vehicular (i.e. wagon and pedestrian) traffic, and is the only one of the first five still standing.... More
Eagle Point Bridge, Dubuque, Dubuque County, IA
Significance: Eagle Point Bridge was the fifth Mississippi River bridge to Iowa to be erected exclusively for vehicular (i.e. wagon and pedestrian) traffic, and is the only one of the first five still standing.... More
Eagle Point Bridge, Dubuque, Dubuque County, IA
Significance: Eagle Point Bridge was the fifth Mississippi River bridge to Iowa to be erected exclusively for vehicular (i.e. wagon and pedestrian) traffic, and is the only one of the first five still standing.... More
Eagle Point Bridge, Dubuque, Dubuque County, IA
Significance: Eagle Point Bridge was the fifth Mississippi River bridge to Iowa to be erected exclusively for vehicular (i.e. wagon and pedestrian) traffic, and is the only one of the first five still standing.... More
Eagle Point Bridge, Dubuque, Dubuque County, IA
Significance: Eagle Point Bridge was the fifth Mississippi River bridge to Iowa to be erected exclusively for vehicular (i.e. wagon and pedestrian) traffic, and is the only one of the first five still standing.... More
Eagle Point Bridge, Dubuque, Dubuque County, IA
Significance: Eagle Point Bridge was the fifth Mississippi River bridge to Iowa to be erected exclusively for vehicular (i.e. wagon and pedestrian) traffic, and is the only one of the first five still standing.... More
Majestic Theater, 405 Main Street, Dubuque, Dubuque County, IA
Survey number: HABS IA-124 Public domain photograph of theater building, free to use, no copyright restrictions image - Picryl description
Commercial & Industrial Buildings, 240-250 First Street, Dubuque, Dubu...
Significance: Though greatly altered, this building is significant as one of the earlier commercial structures in Dubuque's central business district. It is representative of Dubuque's architecture and commerc... More
Bridgeport Bridge, Spanning Skunk River, Denmark, Lee County, IA
Significance: The main span of this bridge may be the longest pinned truss remaining in Iowa and serves as a well-preserved example of a Pratt truss subtype - the Pennsylvania truss. The bridge is significant ... More
J. H. Green & Company Building, 202 High Avenue West, Oskaloosa, Mahas...
Significance: The Rivola Theatre is a significant example of an early movie house. The building possesses architectural merit, exemplified by the bracketed tin cornice, tripartite arched windows, pedimented si... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
Hale Bridge, Spanning Wapsipinicon River, Oxford Junction, Jones Count...
Significance: The three-span Hale Bridge is a striking, and extremely rare, example of what was once a common bridge form: the bowstring arch-truss. In the 1860s and 1870s bowstring arch-trusses were used exte... More
McDowell Bridge, Spanning North Skunk River, Montezuma, Poweshiek Coun...
Significance: The McDowell bridge was was built in 1883, towards the end of the heyday of the use of bowstring arch-trusses. In the 1860s and 1870s bowstring arch-trusses were used extensively because of their... More
Commercial & Industrial Buildings, Farley & Loetscher Manufacturing Co...
Significance: This lumber warehouse is historically significant for its association with one of Dubuque's largest industrial houses, the Farley and Loetscher Manufacturing Company. It is architecturally signif... More
Commercial & Industrial Buildings, Farley & Loetscher Manufacturing Co...
Significance: This lumber warehouse is historically significant for its association with one of Dubuque's largest industrial houses, the Farley and Loetscher Manufacturing Company. It is architecturally signif... More
Iowa Institute for Education of the Deaf & Dumb, South Avenue & State ...
Picryl description: Public domain image of a palace, villa, or large historic building, architecture, free to use, no copyright restrictions.
Wagon Bridge, Spanning Des Moines River, Boone, Boone County, IA
Significance: This bridge is one of the few remaining large-scale wagon trusses in Iowa. A locally important crossing of a major river, it is one of the few multiple span pin-connected Pratt trusses remaining ... More
Wagon Bridge, Spanning Des Moines River, Boone, Boone County, IA
Significance: This bridge is one of the few remaining large-scale wagon trusses in Iowa. A locally important crossing of a major river, it is one of the few multiple span pin-connected Pratt trusses remaining ... More
Wagon Bridge, Spanning Des Moines River, Boone, Boone County, IA
Significance: This bridge is one of the few remaining large-scale wagon trusses in Iowa. A locally important crossing of a major river, it is one of the few multiple span pin-connected Pratt trusses remaining ... More
Equitable Life Assurance Company Building, 605 Locust Street, Des Moin...
Significance: The Equitable Life Assurance Company Building, designed in 1891 by a prominent Boston firm, exemplifies the late nineteenth century design and construction technology developed for large commercia... More
Boyleston Bridge, Spanning Skunk River, Lowell, Henry County, IA
Significance: The Boylestown Bridge is a rare survivor of what once was a common truss type on the farm-to-market county road systems in the rural Midwest. According to an Iowa Department of Transportation bri... More
Boyleston Bridge, Spanning Skunk River, Lowell, Henry County, IA
Significance: The Boylestown Bridge is a rare survivor of what once was a common truss type on the farm-to-market county road systems in the rural Midwest. According to an Iowa Department of Transportation bri... More
832 Martin Luther King Jr. Parkway (Cottage), Des Moines, Polk County,...
Significance: Constructed in 1899 and located near the Sherman Hill Historic District, the architecture of this cottage is significant because it calls attention to a vernacular design influenced by Queen Anne ... More
Rath Packing Company, Engine Room, Sycamore Street between Elm & Eight...
Survey number: HAER IA-41-A
Open Spandrel Bridge, Hawkeye Avenue, spanning Des Moines River, Fort ...
Significance: The Hawkeye Avenue Bridge is a well-preserved example of an open spandrel reinforced concrete arch bridge. The bridge was designed by the Fort Dodge City Engineer, C.H. Reynolds, and constructed ... More
Open Spandrel Bridge, Hawkeye Avenue, spanning Des Moines River, Fort ...
Significance: The Hawkeye Avenue Bridge is a well-preserved example of an open spandrel reinforced concrete arch bridge. The bridge was designed by the Fort Dodge City Engineer, C.H. Reynolds, and constructed ... More
Open Spandrel Bridge, Hawkeye Avenue, spanning Des Moines River, Fort ...
Significance: The Hawkeye Avenue Bridge is a well-preserved example of an open spandrel reinforced concrete arch bridge. The bridge was designed by the Fort Dodge City Engineer, C.H. Reynolds, and constructed ... More
W. J. Young Machine Shop, South Tenth Street & Second Avenue, Clinton,...
Significance: The W.J. Young Company machine shop building is a two-story industrial structure situated on the Mississippi River in Clinton, Iowa. The building possesses local historical significance because o... More
W. J. Young Machine Shop, South Tenth Street & Second Avenue, Clinton,...
Significance: The W.J. Young Company machine shop building is a two-story industrial structure situated on the Mississippi River in Clinton, Iowa. The building possesses local historical significance because o... More
Cottonville Bridge, County Road D-61 at Farmer's Creek, Maquoketa, Jac...
Significance: The Cottonville Bridge is among Iowa's earliest extant examples of welded bridge construction. It is a simply supported, single-span tied arch structure that combines elements that are both anach... More
Sutliff's Ferry Bridge, Spanning Cedar River (Cedar Township), Solon, ...
Significance: Based on current findings from the Iowa Department of Transportation's truss bridge inventory, Sutliff's Ferry Bridge is believed to be the longest (approximately 825 feet) and oldest, Parker trus... More
Sutliff's Ferry Bridge, Spanning Cedar River (Cedar Township), Solon, ...
Significance: Based on current findings from the Iowa Department of Transportation's truss bridge inventory, Sutliff's Ferry Bridge is believed to be the longest (approximately 825 feet) and oldest, Parker trus... More
Sutliff's Ferry Bridge, Spanning Cedar River (Cedar Township), Solon, ...
Significance: Based on current findings from the Iowa Department of Transportation's truss bridge inventory, Sutliff's Ferry Bridge is believed to be the longest (approximately 825 feet) and oldest, Parker trus... More
Sutliff's Ferry Bridge, Spanning Cedar River (Cedar Township), Solon, ...
Significance: Based on current findings from the Iowa Department of Transportation's truss bridge inventory, Sutliff's Ferry Bridge is believed to be the longest (approximately 825 feet) and oldest, Parker trus... More
Sutliff's Ferry Bridge, Spanning Cedar River (Cedar Township), Solon, ...
Significance: Based on current findings from the Iowa Department of Transportation's truss bridge inventory, Sutliff's Ferry Bridge is believed to be the longest (approximately 825 feet) and oldest, Parker trus... More
Abraham Lincoln Memorial Bridge, Spanning Missouri River on Highway 30...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Wapsipinicon River Bridge, Spanning Wapsipinicon River at former State...
Significance: Unaltered example of a metal Pratt through truss, unusual lattice vertical posts which may be unique to the Milwaukee Bridge and Iron Co. Unprocessed Field note material exists for this structure... More
Wapsipinicon River Bridge, Spanning Wapsipinicon River at former State...
Significance: Unaltered example of a metal Pratt through truss, unusual lattice vertical posts which may be unique to the Milwaukee Bridge and Iron Co. Unprocessed Field note material exists for this structure... More
John Reichard House, State Route 92 vicinity, Knoxville, Marion County...
Significance: The significance of the house is principally architectural. Stylistically, it is an example of the Gothic Revival style of nineteenth-century American architecture. Buildings in the style were c... More
John Reichard House, State Route 92 vicinity, Knoxville, Marion County...
Significance: The significance of the house is principally architectural. Stylistically, it is an example of the Gothic Revival style of nineteenth-century American architecture. Buildings in the style were c... More
John Reichard House, State Route 92 vicinity, Knoxville, Marion County...
Significance: The significance of the house is principally architectural. Stylistically, it is an example of the Gothic Revival style of nineteenth-century American architecture. Buildings in the style were c... More
Hogback Bridge, Spanning North River at bypassed section of Douglas To...
Significance: Hogback Bridge is one of nineteen covered bridges built in Madison County, Iowa, in the late nineteenth century, and the youngest of five that survive. Survey number: HAER IA-93 Building/structu... More
Hogback Bridge, Spanning North River at bypassed section of Douglas To...
Significance: Hogback Bridge is one of nineteen covered bridges built in Madison County, Iowa, in the late nineteenth century, and the youngest of five that survive. Survey number: HAER IA-93 Building/structu... More
Hogback Bridge, Spanning North River at bypassed section of Douglas To...
Significance: Hogback Bridge is one of nineteen covered bridges built in Madison County, Iowa, in the late nineteenth century, and the youngest of five that survive. Survey number: HAER IA-93 Building/structu... More
Commercial & Industrial Buildings, Bishop's Block, 90 Main Street, Dub...
Significance: Born August 1825 in Limerick County, Ireland, John Hennessey came to the United States at the age of 22. He entered a Catholic seminary at Carndelet, near St. Louis and was ordained there in 1850... More
Rath Packing Company, Beef Killing Building, Sycamore Street between E...
Picryl description: Public domain image of a construction site, industrial or commercial building, free to use, no copyright restrictions.
Rath Packing Company, Beef Killing Building, Sycamore Street between E...
Public domain scan of architectural drawing, architecture, free to use, no copyright restrictions image - Picryl description
Rath Packing Company, Beef Killing Building, Sycamore Street between E...
Public domain scan of a technical diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.
Sixth Street Viaduct, Spanning Burlington Northern Railroad & Valley S...
Significance: The Sixth Street Viaduct is actually comprised of two separate structures: a pin-connected Pratt truss built over the tracks of the Chicago, Burlington and Quincy Railroad in 1886 and a girder ove... More
Sixth Street Viaduct, Spanning Burlington Northern Railroad & Valley S...
Significance: The Sixth Street Viaduct is actually comprised of two separate structures: a pin-connected Pratt truss built over the tracks of the Chicago, Burlington and Quincy Railroad in 1886 and a girder ove... More
Sixth Street Viaduct, Spanning Burlington Northern Railroad & Valley S...
Significance: The Sixth Street Viaduct is actually comprised of two separate structures: a pin-connected Pratt truss built over the tracks of the Chicago, Burlington and Quincy Railroad in 1886 and a girder ove... More
Mississippi River 9-Foot Channel, Lock & Dam No. 19, Upper Mississippi...
Significance: Rare, intact example of nationally significant historic engineering listed on the National Register of Historic Places as part of the Lock 19 National Register District. The U.S. Army Corps of ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 19, Upper Mississippi...
Significance: Rare, intact example of nationally significant historic engineering listed on the National Register of Historic Places as part of the Lock 19 National Register District. The U.S. Army Corps of ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 19, Upper Mississippi...
Significance: Rare, intact example of nationally significant historic engineering listed on the National Register of Historic Places as part of the Lock 19 National Register District. The U.S. Army Corps of ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 19, Upper Mississippi...
Significance: Rare, intact example of nationally significant historic engineering listed on the National Register of Historic Places as part of the Lock 19 National Register District. The U.S. Army Corps of ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 19, Upper Mississippi...
Significance: Rare, intact example of nationally significant historic engineering listed on the National Register of Historic Places as part of the Lock 19 National Register District. The U.S. Army Corps of ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 19, Upper Mississippi...
Significance: Rare, intact example of nationally significant historic engineering listed on the National Register of Historic Places as part of the Lock 19 National Register District. The U.S. Army Corps of ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 19, Upper Mississippi...
Significance: Rare, intact example of nationally significant historic engineering listed on the National Register of Historic Places as part of the Lock 19 National Register District. The U.S. Army Corps of ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 19, Upper Mississippi...
Significance: Rare, intact example of nationally significant historic engineering listed on the National Register of Historic Places as part of the Lock 19 National Register District. The U.S. Army Corps of ... More
Mississippi River 9-Foot Channel, Lock & Dam No. 19, Upper Mississippi...
Significance: Rare, intact example of nationally significant historic engineering listed on the National Register of Historic Places as part of the Lock 19 National Register District. The U.S. Army Corps of ... More
Benton Street Bridge, Spanning Iowa River at Benton Street, Iowa City,...
Significance: Crossing the Iowa River in the south-central section of Iowa City, the Benton Street Bridge is an all-welded, continuous, five-span, deck, plate-girder highway bridge. Although all-welded bridges... More
Benton Street Bridge, Spanning Iowa River at Benton Street, Iowa City,...
Significance: Crossing the Iowa River in the south-central section of Iowa City, the Benton Street Bridge is an all-welded, continuous, five-span, deck, plate-girder highway bridge. Although all-welded bridges... More
Freeport Bridge, Spanning Upper Iowa River, Decorah, Winneshiek County...
Significance: The Freeport Bridge is one of the few unaltered examples remaining of what had once been the standard rural roadway bridge type of the 1870s in America, the bowstring arch-truss. This patented tu... More
Freeport Bridge, Spanning Upper Iowa River, Decorah, Winneshiek County...
Significance: The Freeport Bridge is one of the few unaltered examples remaining of what had once been the standard rural roadway bridge type of the 1870s in America, the bowstring arch-truss. This patented tu... More
Freeport Bridge, Spanning Upper Iowa River, Decorah, Winneshiek County...
Significance: The Freeport Bridge is one of the few unaltered examples remaining of what had once been the standard rural roadway bridge type of the 1870s in America, the bowstring arch-truss. This patented tu... More
Freeport Bridge, Spanning Upper Iowa River, Decorah, Winneshiek County...
Significance: The Freeport Bridge is one of the few unaltered examples remaining of what had once been the standard rural roadway bridge type of the 1870s in America, the bowstring arch-truss. This patented tu... More
Freeport Bridge, Spanning Upper Iowa River, Decorah, Winneshiek County...
Significance: The Freeport Bridge is one of the few unaltered examples remaining of what had once been the standard rural roadway bridge type of the 1870s in America, the bowstring arch-truss. This patented tu... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Keokuk & Hamilton Bridge, Spanning Mississippi River, Keokuk, Lee Coun...
Significance: The Keokuk & Hamilton Bridge is one of three remaining in Iowa that were designed by Ralph Modjeski, one of this country's premier early 20th century bridge engineers. The eleven-span, double-dec... More
Dairy Industry Building, Iowa State University campus, Ames, Story Cou...
Significance: The building is a late example of the Classical Revival style of architecture. It is of architectural significance because it is one of a group of seven buildings in this style which surround the... More
Dairy Industry Building, Iowa State University campus, Ames, Story Cou...
Significance: The building is a late example of the Classical Revival style of architecture. It is of architectural significance because it is one of a group of seven buildings in this style which surround the... More
Dairy Industry Building, Iowa State University campus, Ames, Story Cou...
Significance: The building is a late example of the Classical Revival style of architecture. It is of architectural significance because it is one of a group of seven buildings in this style which surround the... More
Traer Street Bridge, Spanning Shell Rock River at Traer Street, Greene...
Significance: The Traer Street bridge at Greene, Iowa, is a single-span Pennsylvania (Petit) through truss erected 1902-1903. Its very light design was consistent with the limited requirements of small-town ve... More
Marsh Rainbow Arch Bridge, West Eighth Street North, Newton, Jasper Co...
Significance: The West 8th Street North bridge in Newton is one of fifteen known concrete rainbow arch bridges in Iowa. It is considered an important structural form in the development of reinforced concrete t... More
Marsh Rainbow Arch Bridge, West Eighth Street North, Newton, Jasper Co...
Significance: The West 8th Street North bridge in Newton is one of fifteen known concrete rainbow arch bridges in Iowa. It is considered an important structural form in the development of reinforced concrete t... More
Marsh Rainbow Arch Bridge, West Eighth Street North, Newton, Jasper Co...
Significance: The West 8th Street North bridge in Newton is one of fifteen known concrete rainbow arch bridges in Iowa. It is considered an important structural form in the development of reinforced concrete t... More
Workingmen's Houses, Locust, South Locust & Dodge Streets & Southern A...
Significance: The modest frame houses that align Southern Avenue and South Locust and lower Dodge streets typify the workingmen's residences built in Dubuque, Iowa, in the late 19th and early 20th centuries. A... More
Workingmen's Houses, Locust, South Locust & Dodge Streets & Southern A...
Significance: The modest frame houses that align Southern Avenue and South Locust and lower Dodge streets typify the workingmen's residences built in Dubuque, Iowa, in the late 19th and early 20th centuries. A... More
Workingmen's Houses, Locust, South Locust & Dodge Streets & Southern A...
Significance: The modest frame houses that align Southern Avenue and South Locust and lower Dodge streets typify the workingmen's residences built in Dubuque, Iowa, in the late 19th and early 20th centuries. A... More
Pacific Shortline Bridge, U.S. Route 20,spanning Missouri River, Sioux...
Significance: The Pacific Short Line Combination Bridge was the work of three prominent names in the late 19th century American engineering: J.A.L. Waddell (chief engineer), Charles Sooysmith's Sooysmith & Comp... More
Pacific Shortline Bridge, U.S. Route 20,spanning Missouri River, Sioux...
Significance: The Pacific Short Line Combination Bridge was the work of three prominent names in the late 19th century American engineering: J.A.L. Waddell (chief engineer), Charles Sooysmith's Sooysmith & Comp... More
Pacific Shortline Bridge, U.S. Route 20,spanning Missouri River, Sioux...
Significance: The Pacific Short Line Combination Bridge was the work of three prominent names in the late 19th century American engineering: J.A.L. Waddell (chief engineer), Charles Sooysmith's Sooysmith & Comp... More
Pacific Shortline Bridge, U.S. Route 20,spanning Missouri River, Sioux...
Significance: The Pacific Short Line Combination Bridge was the work of three prominent names in the late 19th century American engineering: J.A.L. Waddell (chief engineer), Charles Sooysmith's Sooysmith & Comp... More
Pacific Shortline Bridge, U.S. Route 20,spanning Missouri River, Sioux...
Significance: The Pacific Short Line Combination Bridge was the work of three prominent names in the late 19th century American engineering: J.A.L. Waddell (chief engineer), Charles Sooysmith's Sooysmith & Comp... More
Pacific Shortline Bridge, U.S. Route 20,spanning Missouri River, Sioux...
Significance: The Pacific Short Line Combination Bridge was the work of three prominent names in the late 19th century American engineering: J.A.L. Waddell (chief engineer), Charles Sooysmith's Sooysmith & Comp... More
Standard atlas of Audubon County, Iowa : including a plat book of the ...
Available also through the Library of Congress Web site as a raster image. Includes indexes and portraits of early Audubon County residents. Vendor: Waverly Auctions Acquisitions control no. 2007-072
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 10, Guttenberg,...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 10, Guttenberg,...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 10, Guttenberg,...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 10, Guttenberg,...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 10, Guttenberg,...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 10, Guttenberg,...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 10, Guttenberg,...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More
Upper Mississippi River 9-Foot Channel, Lock & Dam No. 10, Guttenberg,...
Significance: The Upper Mississippi River Lock and Dam Project represents one of the largest and most ambitious of such undertakings. With roots in the Progressive Era, the project was adopted by New Deal prop... More
Honorable Asahel Wheeler Hubbard of Iowa
A black and white photo of a man in a suit. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description
[Design drawing for architectural elements for Sanctuary for St. Paul'...
Picryl description: Public domain image of a religious building interior, church, cathedral, hall, 17th, 18th, 19th-century architecture, free to use, no copyright restrictions.
Cummings, Honorable Henry Johnson Brodhead of Iowa. Colonel 39th Iowa ...
Two men in suits standing next to each other. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description