Lynch Bridge, Spanning Black River at River Road, Levis, Jackson Count...
Significance: Of the four Pennsylvania truss bridges that were identified in Cultural Resources in Wisconsin, the state's manual for historic properties, the Lynch Bridge is one of only two that remain today. ... More
Lynch Bridge, Spanning Black River at River Road, Levis, Jackson Count...
Significance: Of the four Pennsylvania truss bridges that were identified in Cultural Resources in Wisconsin, the state's manual for historic properties, the Lynch Bridge is one of only two that remain today. ... More
Clarendon Bridge, Spanning White River at U.S. Highway 79, Clarendon, ...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Kentucky 1804 Bridge, Spanning Clear Fork Creek, Saxton, Whitley Count...
Significance: Rare mixed Warren and Pratt truss bridge which offers a good example of the changes and development that occurred in truss technology in the early twentieth century. Apparently, the only Champion... More
Kentucky 1804 Bridge, Spanning Clear Fork Creek, Saxton, Whitley Count...
Significance: Rare mixed Warren and Pratt truss bridge which offers a good example of the changes and development that occurred in truss technology in the early twentieth century. Apparently, the only Champion... More
Springfield-Des Arc Bridge, Spanning North Branch of Cadron Creek at O...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Stono River Bridge, Spanning Stono River between James & Johns Islands...
Significance: The Stono River Bridge is identified as "Charleston 3) in the South Carolina Department of Transportation's Metal Truss Highway Bridge Inventory. The bridge is noteworthy in that it represents th... More
River Vale Bridge, Spanning White River on County Road 27, Bedford, La...
Significance: The bridge is one of the best of ten surviving examples of a pin-connected Pennsylvania Through Truss with sub-ties one in the state of Indiana. This bridge is of local significance. Survey numb... More
Racine Street Bridge, Spanning Rock River, Jefferson, Jefferson County...
Significance: The Racine Street Bridge is an 11-span deck truss bridge built by the Milwaukee Bridge Company from Wisconsin State Highway Commission plans. With three Warren deck truss spans that equal more tha... More
Lee Creek Bridge, Spanning Lee Creek at State Highway No. 220, Chester...
Significance: The Lee Creek Bridge is an excellent example of a Camelback Pennsylvania through truss, a late nineteenth/early twentieth century bridge type. It is significant as one of four Pennsylvania throug... More
Lee Creek Bridge, Spanning Lee Creek at State Highway No. 220, Chester...
Significance: The Lee Creek Bridge is an excellent example of a Camelback Pennsylvania through truss, a late nineteenth/early twentieth century bridge type. It is significant as one of four Pennsylvania throug... More
Melrose Bridge, Spanning Black River at State Trunk Highway 108, Melro...
Significance: Only six Pennsylvania highway trusses are known to have been built in Wisconsin. Four of the six, including the Melrose Bridge, have been replaced within the last 10 years. The Melrose Bridge is... More
Melrose Bridge, Spanning Black River at State Trunk Highway 108, Melro...
Significance: Only six Pennsylvania highway trusses are known to have been built in Wisconsin. Four of the six, including the Melrose Bridge, have been replaced within the last 10 years. The Melrose Bridge is... More
Bowen Mill Bridge, Spanning Pine River on County Trunk Highway AA, Ric...
Significance: The Bowen Mill Bridge is a Pratt through truss. It was erected in 1907, and re-erected at its present location in 1966. Of the thirty-two Pratt through truss bridges identified by the Wisconsin ... More
Hominy Creek Bridge, Spanning Hominy Creek, Hominy, Osage County, OK
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Hominy Creek Bridge, Spanning Hominy Creek, Hominy, Osage County, OK
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Hopewell Bridge, Spanning Little Sandy River, Hopewell, Greenup County...
Survey number: HAER KY-36 Public domain photograph - historical image of Kentucky, United States, free to use, no copyright restrictions image - Picryl description
Kentucky Route 478 Bridge, Spanning Jellico Creek, Williamsburg, Whitl...
Significance: One of only three quadrangular, or double intersection, Warren through trusses in Kentucky. It is also the only Kentucky bridge constructed by the Capital Construction Company of Columbus, Ohio. ... More
Maggie Creek Bridge, 11 miles west of Elko, Elko, Elko County, NV
Survey number: HAER NV-38 Public domain photograph - historical image of Nevada, United States, free to use, no copyright restrictions image - Picryl description
Bridge Street Bridge, Spanning Grand River at Bridge Street, Portland,...
Significance: The Bridge Street Bridge in Portland is a rare two-span metal through truss, with two spans 100 feet in length, featuring decorative treatment at the end posts. This is the oldest known surviving... More
Kentucky State Route 1032 Bridge, Spanning South Fork of Licking River...
Significance: A metal truss bridge consisting of two identical Pratt through trusses, constructed in 1906 by the Champion Bridge Company. Survey number: HAER KY-25 Building/structure dates: 1906 Initial Construction
Chester Bridge, Spanning Rock River on Old Marsh Road, East Waupun, Do...
Significance: Chester Bridge is considered important in Wisconsin history because it is a type of bridge that is rapidly disappearing in the State, it is a link in the development of truss bridge construction, ... More
Wilson Shute Bridge, Spanning French Creek at State Road 2008 (formerl...
Significance: The Wilson Shute Bridge is one of the many civil engineering landmarks that document Pennsylvania's rich historic transportation heritage. As an example of a steel Pratt through truss, it represe... More
Kennan-Jump River Bridge, Spanning South fork of Jump River on County ...
Significance: The Kennan-Jump River Bridge is an example of a standard Wisconsin Highway Commission camelback design used during the 1920s. The history of the Kennan-Jump River Road and Bridge illustrates how ... More
Kennan-Jump River Bridge, Spanning South fork of Jump River on County ...
Significance: The Kennan-Jump River Bridge is an example of a standard Wisconsin Highway Commission camelback design used during the 1920s. The history of the Kennan-Jump River Road and Bridge illustrates how ... More
Grant Road Bridge, Spanning Raquette River at Grant Road, Raymondville...
Significance: This is the longest single-span, lenticular truss bridge constructed by the Berlin Iron Bridge Company and the largest extant example of its type in New York State. Survey number: HAER NY-293 Bu... More
Kentucky Route 49 Bridge, Spanning Rolling Fork River, Bradfordsville,...
Significance: In January 1982, there were six Whipple-Murphy trusses in the State. The Kentucky Route 49 Bridge is the oldest Whipple-Murphy bridge in Kentucky. Survey number: HAER KY-17 Building/structure d... More
Muddy River Bridge, Spanning Muddy River northeast of I-15 & State Rou...
Significance: The Muddy River Bridge is the best example of a thru "pony" truss bridge in Nevada. It is one of six truss bridges (three of which are pony trusses) still on the NDOT inventory. This constructio... More
Muddy River Bridge, Spanning Muddy River northeast of I-15 & State Rou...
Significance: The Muddy River Bridge is the best example of a thru "pony" truss bridge in Nevada. It is one of six truss bridges (three of which are pony trusses) still on the NDOT inventory. This constructio... More
Muddy River Bridge, Spanning Muddy River northeast of I-15 & State Rou...
Significance: The Muddy River Bridge is the best example of a thru "pony" truss bridge in Nevada. It is one of six truss bridges (three of which are pony trusses) still on the NDOT inventory. This constructio... More
South Carolina Route 391 Bridge, Spanning Saluda River on South Caroli...
Significance: The S.C. Route 391 bridge is identified as Saluda 3 in the Department's Metal Truss Highway Bridge Inventory and is one of 148 bridges of this type remaining in the State. Its significance is der... More
Wisconsin-Michigan Railroad Bridge, Spanning Menominee River, on Count...
Significance: The Wisconsin & Michigan Railroad Bridge is an example of a pin-connected Pratt through truss, a standard design used during the late 19th century. The bridge is unusual, in that it consists of t... More
Wisconsin-Michigan Railroad Bridge, Spanning Menominee River, on Count...
Significance: The Wisconsin & Michigan Railroad Bridge is an example of a pin-connected Pratt through truss, a standard design used during the late 19th century. The bridge is unusual, in that it consists of t... More
Tallman Road Bridge, Spanning Looking Glass River, Eagle, Clinton Coun...
Significance: The Tallman Road Bridge is one of the oldest metal truss bridges in Michigan designed and built in 1880 circa. It is a Pratt Through Truss type of structure and one of a few left in Michigan. Su... More
Tallman Road Bridge, Spanning Looking Glass River, Eagle, Clinton Coun...
Significance: The Tallman Road Bridge is one of the oldest metal truss bridges in Michigan designed and built in 1880 circa. It is a Pratt Through Truss type of structure and one of a few left in Michigan. Su... More
Chippewa River Bridge, Spanning Chippewa River at State Highway 35, Ne...
Significance: The Chippewa River Bridge is a seven-span, Parker truss. It was erected in 1933. According to Cultural Resource Management in Wisconsin, there were thirty-six Parker overhead trusses remaining i... More
Chippewa River Bridge, Spanning Chippewa River at State Highway 35, Ne...
Significance: The Chippewa River Bridge is a seven-span, Parker truss. It was erected in 1933. According to Cultural Resource Management in Wisconsin, there were thirty-six Parker overhead trusses remaining i... More
Chippewa River Bridge, Spanning Chippewa River at State Highway 35, Ne...
Significance: The Chippewa River Bridge is a seven-span, Parker truss. It was erected in 1933. According to Cultural Resource Management in Wisconsin, there were thirty-six Parker overhead trusses remaining i... More
Tippecanoe River Bridge, State Route 25 & Tippecanoe River, Rochester,...
Significance: This is a pin connected Baltimore through truss bridge; 6 panels long; supported on riveted sheet metal abutments. Survey number: HAER IN-25
F Drive North Bridge, Spanning Kalamazoo River at F Drive North, Marsh...
Significance: The F Drive North Bridge (County Park Bridge) is one of a very few early metal through truss highway bridges remaining in the south-central part of Michigan. It was manufactured by the Groton Bri... More
Kentucky Route 1754 Bridge, Spanning Chaplin River on Kentucky Route 1...
Significance: A one-lane pin-connected metal Parker truss bridge, one of only four in Kentucky. Survey number: HAER KY-22 Building/structure dates: ca. 1910 Initial Construction
North Fork Bridge, Spanning North Fork of Licking River, Milford, Brac...
Significance: The North Fork Bridge is the oldest dated Pratt through truss bridge in Kentucky, and one of two built by the Smith Bridge Company in the state of Kentucky. Survey number: HAER KY-2 Building/str... More
Newport Bridge, Spanning White River at State Highway 14, Newport, Jac...
Significance: The 400-foot, double-cantilevered bridge at Newport was a major construction project in 1929-30. The bridge, along with two similar bridges at Augusta and Clarendon, Arkansas, was designed by ren... More
Northfield Parker Truss Bridge, Over tracks of Central Vermont Railroa...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Northfield Parker Truss Bridge, Over tracks of Central Vermont Railroa...
Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.
Northfield Parker Truss Bridge, Over tracks of Central Vermont Railroa...
Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.
Bridge over Bird Creek, Spanning Bird Creek, Avant, Osage County, OK
Significance: The bridge over Bird Creek at Avant is one of the earliest overhead truss bridges of known construction date and known construction company in the State of Oklahoma. Survey number: HAER OK-2 Bui... More
Kentucky Route 840 Bridge, Spanning Cumberland River, Loyall, Harlan C...
Significance: The Kentucky Route 840 Bridge is the longest of six Baltimore Petit trusses built in Kentucky, and the best example of the three bridges built by the Vincennes Bridge Company in Harlan County in 1... More
Lake Wissota Bridge, Spanning Lake Wissota at County Trunk Highway "S"...
Significance: The four-span Lake Wissota Bridge, built in 1916, was the oldest of the seventeen Parker overhead trusses with riveted connections and built-up members identified in a 1982 survey. Of these Parke... More
Kentucky Route 2014 Bridge, Spanning Cumberland River on Kentucky Rout...
Significance: The Kentucky Route 2014 Bridge is a Warren through truss bridge that represents a very early example of Warren construction. Survey number: HAER KY-24 Building/structure dates: 1873 Initial Construction
Penobscot Bridge, Spanning Penobscot River at Route 15, Bangor, Penobs...
Significance: This bridge is the last remaining Baltimore (Petit) through-truss bridge in the state. The current structure represents three different phases of construction: Phase 1 - the center span was erec... More
Armantrout Bridge, Spanning Kilmore Creek at County Road 130 West, Fra...
Significance: Built by a prolific Indiana firm, this bridge retains its original members including decoratively latticed portals and guardrails. Survey number: HAER IN-86
Black River Bridge, Spanning Black River at U.S. Highway 67, Pocahonta...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Smith Bridge, Spanning Meduxnekeag River at Lowery Road, 0.3 mile sout...
Significance: Constructed in 1910 by the Town of Houlton at a cost of $6,310.07, the Smith Bridge is a riveted steel, two-span Warren pony truss with an overall length of 173 feet. It is the second oldest and ... More
Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...
Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More
Liberty Memorial Bridge, Spanning Missouri River at I-94, Bismarck, Bu...
Significance: The Liberty Memorial Bridge is a three-span, Warren-Turner through truss bridge, a variation of the Warren through truss designed by C.A.P. Turner. This was the first highway bridge over the Miss... More
Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 High...
Significance: The Enterprise is a single span, steel and concrete, high through Parker truss and is one of only twenty-nine remaining examples in the state. As a riveted truss, the Enterprise bridge represents... More
Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 High...
Significance: The Enterprise is a single span, steel and concrete, high through Parker truss and is one of only twenty-nine remaining examples in the state. As a riveted truss, the Enterprise bridge represents... More
Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 High...
Significance: The Enterprise is a single span, steel and concrete, high through Parker truss and is one of only twenty-nine remaining examples in the state. As a riveted truss, the Enterprise bridge represents... More
Enterprise Parker Truss Bridge, Spanning Smoky Hill River on K-43 High...
Significance: The Enterprise is a single span, steel and concrete, high through Parker truss and is one of only twenty-nine remaining examples in the state. As a riveted truss, the Enterprise bridge represents... More
Bridges of the Upper Tombigbee River Valley, Columbus, Lowndes County,...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Bridges of the Upper Tombigbee River Valley, Columbus, Lowndes County,...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Bridges of the Upper Tombigbee River Valley, Columbus, Lowndes County,...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Bridges of the Upper Tombigbee River Valley, Columbus, Lowndes County,...
Picryl description: Public domain image of a locomotive, train tracks, rail transportation, railroad, railway, 19th-20th century, free to use, no copyright restrictions.
Bridges of the Upper Tombigbee River Valley, Columbus, Lowndes County,...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Spavinaw Creek Bridge, Spans Spavinaw Creek at Benton County Road 29, ...
Significance: Though bedstead trusses were widespread near the turn of the century, the Spavinaw Creek Bridge is now unique as the only surviving example of a bedstead truss in Arkansas. Built in 1909, this se... More
Waterville Bridge, Spanning Swatara Creek at Appalachian Trail (moved ...
Significance: It is an example of a lenticular truss, so named because of the lens-like shape of its curved upper and lower chords. It is representative of the Berlin Iron Bridge Company's trademark bridge type... More
Wabash River Bridge, State Route 316 & Wabash River, Vera Cruz, Wells ...
Unprocessed Field note material exists for this structure: FN-9 Survey number: HAER IN-22
U.S. Route 27 Central Bridge, Spanning Ohio River, Newport, Campbell C...
Significance: The Central Bridge, built in 1890-91, is the earliest extant highway cantilever truss bridge in Kentucky. It was built by the King Iron and Bridge Manufacturing Company, and is one of the longest... More
U.S. Route 27 Central Bridge, Spanning Ohio River, Newport, Campbell C...
Significance: The Central Bridge, built in 1890-91, is the earliest extant highway cantilever truss bridge in Kentucky. It was built by the King Iron and Bridge Manufacturing Company, and is one of the longest... More
U.S. Route 27 Central Bridge, Spanning Ohio River, Newport, Campbell C...
Significance: The Central Bridge, built in 1890-91, is the earliest extant highway cantilever truss bridge in Kentucky. It was built by the King Iron and Bridge Manufacturing Company, and is one of the longest... More
Leavenworth Bridge, Spanning Missouri River, Leavenworth, Leavenworth ...
See also HAER NE-2 for historical report and additional documentation. Significance: The bridge that George Morison designed for Leavenworth represented a synthesis of his previous thirteen bridges over the Mis... More
Leavenworth Bridge, Spanning Missouri River, Leavenworth, Leavenworth ...
See also HAER NE-2 for historical report and additional documentation. Significance: The bridge that George Morison designed for Leavenworth represented a synthesis of his previous thirteen bridges over the Mis... More
Leavenworth Bridge, Spanning Missouri River, Leavenworth, Leavenworth ...
See also HAER NE-2 for historical report and additional documentation. Significance: The bridge that George Morison designed for Leavenworth represented a synthesis of his previous thirteen bridges over the Mis... More
Leavenworth Bridge, Spanning Missouri River, Leavenworth, Leavenworth ...
See also HAER NE-2 for historical report and additional documentation. Significance: The bridge that George Morison designed for Leavenworth represented a synthesis of his previous thirteen bridges over the Mis... More
Blue Water Bridge, Spanning St. Clair River at I-69, I-94, & Canadian ...
Significance: When it opened in October 1938, the Blue Water Bridge symbolized the peaceful relationship between the United States and Canada, a sharp contrast to the hostilities in Europe which were about to e... More
Blue Water Bridge, Spanning St. Clair River at I-69, I-94, & Canadian ...
Significance: When it opened in October 1938, the Blue Water Bridge symbolized the peaceful relationship between the United States and Canada, a sharp contrast to the hostilities in Europe which were about to e... More
Blue Water Bridge, Spanning St. Clair River at I-69, I-94, & Canadian ...
Significance: When it opened in October 1938, the Blue Water Bridge symbolized the peaceful relationship between the United States and Canada, a sharp contrast to the hostilities in Europe which were about to e... More
Blue Water Bridge, Spanning St. Clair River at I-69, I-94, & Canadian ...
Significance: When it opened in October 1938, the Blue Water Bridge symbolized the peaceful relationship between the United States and Canada, a sharp contrast to the hostilities in Europe which were about to e... More
Blue Water Bridge, Spanning St. Clair River at I-69, I-94, & Canadian ...
Significance: When it opened in October 1938, the Blue Water Bridge symbolized the peaceful relationship between the United States and Canada, a sharp contrast to the hostilities in Europe which were about to e... More
Clarendon Bridge, Spanning White River at U.S. Highway 79, Clarendon, ...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Kentucky 1804 Bridge, Spanning Clear Fork Creek, Saxton, Whitley Count...
Significance: Rare mixed Warren and Pratt truss bridge which offers a good example of the changes and development that occurred in truss technology in the early twentieth century. Apparently, the only Champion... More
Kentucky 1804 Bridge, Spanning Clear Fork Creek, Saxton, Whitley Count...
Significance: Rare mixed Warren and Pratt truss bridge which offers a good example of the changes and development that occurred in truss technology in the early twentieth century. Apparently, the only Champion... More
Stono River Bridge, Spanning Stono River between James & Johns Islands...
Significance: The Stono River Bridge is identified as "Charleston 3) in the South Carolina Department of Transportation's Metal Truss Highway Bridge Inventory. The bridge is noteworthy in that it represents th... More
Starnes Bridge, Spanning Eagle Creek, Holbrook, Grant County, KY
Significance: The Starnes Bridge is a rare surviving example of bridge technology representing the pin-connected Pennsylvania truss elements. Survey number: HAER KY-3 Building/structure dates: 1890 Initial Co... More
River Vale Bridge, Spanning White River on County Road 27, Bedford, La...
Significance: The bridge is one of the best of ten surviving examples of a pin-connected Pennsylvania Through Truss with sub-ties one in the state of Indiana. This bridge is of local significance. Survey numb... More
River Vale Bridge, Spanning White River on County Road 27, Bedford, La...
Significance: The bridge is one of the best of ten surviving examples of a pin-connected Pennsylvania Through Truss with sub-ties one in the state of Indiana. This bridge is of local significance. Survey numb... More
Knaggs Bridge, Spanning Shiawassee River on Cole Road, Bancroft, Shiaw...
Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.
Racine Street Bridge, Spanning Rock River, Jefferson, Jefferson County...
Significance: The Racine Street Bridge is an 11-span deck truss bridge built by the Milwaukee Bridge Company from Wisconsin State Highway Commission plans. With three Warren deck truss spans that equal more tha... More
Racine Street Bridge, Spanning Rock River, Jefferson, Jefferson County...
Significance: The Racine Street Bridge is an 11-span deck truss bridge built by the Milwaukee Bridge Company from Wisconsin State Highway Commission plans. With three Warren deck truss spans that equal more tha... More
Racine Street Bridge, Spanning Rock River, Jefferson, Jefferson County...
Significance: The Racine Street Bridge is an 11-span deck truss bridge built by the Milwaukee Bridge Company from Wisconsin State Highway Commission plans. With three Warren deck truss spans that equal more tha... More
Feederdam Bridge, State Route 59, spanning Eel River, Clay City, Clay ...
Survey number: HAER IN-21 Public domain photograph of electric wires, power line, free to use, no copyright restrictions image - Picryl description
Feederdam Bridge, State Route 59, spanning Eel River, Clay City, Clay ...
Survey number: HAER IN-21 Public domain photograph - historical image of Indiana, United States, free to use, no copyright restrictions image - Picryl description
North Branch Quantico Creek Bridge, Prince William Forest Park, on NPS...
Significance: This bridge is representative of a common bridge type that became indigenous to the late nineteenth to early twentieth century landscape of America: a low Pratt pony metal truss bridge. The bridg... More
Bowen Mill Bridge, Spanning Pine River on County Trunk Highway AA, Ric...
Significance: The Bowen Mill Bridge is a Pratt through truss. It was erected in 1907, and re-erected at its present location in 1966. Of the thirty-two Pratt through truss bridges identified by the Wisconsin ... More
Hopewell Bridge, Spanning Little Sandy River, Hopewell, Greenup County...
Survey number: HAER KY-36 Public domain photograph - historical image of Kentucky, United States, free to use, no copyright restrictions image - Picryl description
Hopewell Bridge, Spanning Little Sandy River, Hopewell, Greenup County...
Survey number: HAER KY-36 Public domain photograph - historical image of Kentucky, United States, free to use, no copyright restrictions image - Picryl description
Bridge Street Bridge, Spanning Grand River at Bridge Street, Portland,...
Significance: The Bridge Street Bridge in Portland is a rare two-span metal through truss, with two spans 100 feet in length, featuring decorative treatment at the end posts. This is the oldest known surviving... More
Kentucky State Route 1032 Bridge, Spanning South Fork of Licking River...
Significance: A metal truss bridge consisting of two identical Pratt through trusses, constructed in 1906 by the Champion Bridge Company. Survey number: HAER KY-25 Building/structure dates: 1906 Initial Construction
Bridge of Pines, Ermatinger Drive in Irvine Park, Chippewa Falls, Chip...
Significance: In 1906, the city of Chippewa Falls established Irvine Park. The Bridge of Pines represents two phases of the park's development, In 1907 the Wisconsin Bridge and Iron Company erected a one-span... More