San Juan & New York Mining & Smelting Company, Superintendent's House,...
Significance: It is one of two remaining structures at the San Juan and New York Mining and Smelting Company (SJ&NY) plant in Durango. It is located approximately .2 miles north of the stack. SJ&NY grew to beco... More
Experimental bridges (Andrew J. Russel)
Photograph showing a man standing next to the bridge truss. No. 26 (handwritten) and 2527 (stamped) on mount. Forms part of Civil War photos, military construction and transportation in Northern Virginia and e... More
Medora Bridge, Spanning East Fork of White River at State Route 235, M...
Significance: Example of bridge by J.J. Daniels and representative of Burr arch truss. Survey number: HAER IN-45 Building/structure dates: 1875 Initial Construction National Register of Historic Places NRIS ... More
Merritt Parkway, Lake Avenue Bridge, Spanning Merritt Parkway at 4.71 ...
Significance: The bridges of the Merritt Parkway were predominately inspired by the Art Deco and Art Moderne architectural styles of the 1930s. Experimental forming techniques were employed to create the ornam... More
[James River, Virginia Bow of Confederate gunboat Teaser, Lt. Hunter D...
Photographs of the Federal Navy, and seaborne expeditions against the Atlantic Coast of the Confederacy -- the Federal Navy, 1861-1865.
Jack's Mill Covered Bridge, Spanning Henderson Creek, Oquawka, Henders...
Significance: This bridge is built entirely of wood, resting on stone abutments. It was built in 1844-45 by William Smith and is of the lattice truss type. The main members are of burr and white oak. Note: t... More
Campbell's Bridge, Spanning Unami Creek at Allentown Road (State Route...
See also HAER PA-478 for related documentation. Includes written data. Significance: The bridge is part of a once larger body of early short-span reinforced concrete bridges in Bucks County. It is the oldest op... More
Campbell's Bridge, Spanning Unami Creek at Allentown Road (State Route...
See also HAER PA-478 for related documentation. Includes written data. Significance: The bridge is part of a once larger body of early short-span reinforced concrete bridges in Bucks County. It is the oldest op... More
Burton Road Bridge, Spanning Little Weiser River, Cambridge, Washingto...
Significance: One of only a few Idaho bridges built by prominent western contractor Charles G. Sheely. One of the first steel bridges in Washington County and may have set standards for local steel bridge buil... More
Burton Road Bridge, Spanning Little Weiser River, Cambridge, Washingto...
Significance: One of only a few Idaho bridges built by prominent western contractor Charles G. Sheely. One of the first steel bridges in Washington County and may have set standards for local steel bridge buil... More
Burton Road Bridge, Spanning Little Weiser River, Cambridge, Washingto...
Significance: One of only a few Idaho bridges built by prominent western contractor Charles G. Sheely. One of the first steel bridges in Washington County and may have set standards for local steel bridge buil... More
Western Railway of Alabama Montgomery Rail Shops, 701 North Perry Stre...
Significance: When built, the Western Railway of Alabama shops at Montgomery were hailed as the largest in Alabama and the best equipped in the South. Their connection with the second oldest railroad in Alabam... More
Represents arks in process of construction; one is seen on the launchi...
No. 6 (handwritten) and 2507 (stamped) on mount. Forms part of Civil War photos, military construction and transportation in Northern Virginia and elsewhere / United States Military Railway Department (Library... More
Crossroads Tavern, State Route 692, North Garden, Albemarle County, Vi...
Significance: Located on the old Scottsville Turnpike midway between the Shenandoah Valley and the James River Canal, Crossroads Tavern, circa 1820, once served as a stopping point for travelers bound for Richm... More
Judsonia Bridge, Spanning LIttle White River at County Road 66, Judson...
Significance: The Judsonia bridge, completed in 1924, is significant as the only known swing bridge in Arkansas designed as a cantilever. Besides adding an aesthetic touch, the cantilever-like peak on the top ... More
Massachusetts Avenue Bridge, Spanning Rock Creek & Potomac Parkway, Wa...
Significance: This bridge, on axis with Massachusetts Avenue, replaced an earth-fill crossing that had been constructed in 1901; it was breached by a culvert through which a narrow two-lane road later passed. ... More
Seven Mile Bridge, Spanning Gardner River at Grand Loop Road, Lake, Te...
Significance: Seven Mile Bridge typifies the early design philosophy of the National Park Service, which was to use indigenous materials to harmonize man-made features with their natural surroundings. This phi... More
New Haven Rail Yard, Work Equipment Shop, Vicinity of Cedar & Lamberto...
Significance: The Work Equipment Shop recalls the increased investment in the New York, New Haven and Hartford Railroad's facilities in the period immediately following World War II. In addition to this shop, ... More
New Haven Rail Yard, Work Equipment Shop, Vicinity of Cedar & Lamberto...
Significance: The Work Equipment Shop recalls the increased investment in the New York, New Haven and Hartford Railroad's facilities in the period immediately following World War II. In addition to this shop, ... More
Link Farm Covered Bridge, Spanning Sinking Creek, Newport, Giles Count...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Steel Bridge, Spanning Jackson Road at Confederate Avenue, Vicksburg, ...
Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.
Steel Bridge, Spanning Jackson Road at Confederate Avenue, Vicksburg, ...
Picryl description: Public domain image of a bridge, railroad structure, train viaduct, free to use, no copyright restrictions.
Steamboat GULKANA, Miles Lake, Cordova, Valdez-Cordova Census Area, AK
Significance: Between 1907 and 1911 the Cooper River and Northwestern Railway operated a fleet of steamboats on the Cooper and Chitina Rivers in support of railroad construction and mining operations at Kennico... More
Hyde Hall, Covered Bridge, East Lake Road vicinity, East Springfield, ...
Picryl description: Public domain image of a small bridge over water, woods, historic structure, free to use, no copyright restrictions.
Livery-Plaza Stable, San Juan Bautista, San Benito County, CA
Survey number: HABS CA-2735 Public domain photograph - 1930s California, United States, free to use, no copyright restrictions image - Picryl description
[A steamship] - Public domain drawing
Broadside view. Title devised. Rough sketches of carriages on verso. Gift, J.P. Morgan, 1919 (DLC/PP-1919:R1.2.346) Forms part of: Morgan collection of Civil War drawings.
E. & T. Fairbanks & Company, Two-Story Covered Bridge, Saint Johnsbury...
Significance: This wooden lattice truss bridge with auxiliary arches was originally built in about 1876, but the second story added at a later date. The bridge, which spans Sleepers River, connects factory bui... More
Davison Freeway, Woodward Avenue Bridge, Spanning Davison Freeway, Hig...
Significance: This is one of three similar bridges designed to carry a major north-south arterial street over the Davison Limited Highway. The hinged, reinforced concrete, rigid-framed bridge design permitted ... More
Davison Freeway, Woodward Avenue Bridge, Spanning Davison Freeway, Hig...
Significance: This is one of three similar bridges designed to carry a major north-south arterial street over the Davison Limited Highway. The hinged, reinforced concrete, rigid-framed bridge design permitted ... More
Southern Pacific Railroad, Carlin Shops, Foot of Sixth Street, Carlin,...
Significance: The Central Pacific First Transcontinental Railroad is a segment of the western half of the first transcontinental railroad, built from Sacramento, California to Promontory Summit, Utah between 18... 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
Boldman Bridge, Spanning Levisa Fork, Pikeville, Pike County, KY
Significance: The Boldman Bridge is a rare surviving example of a swinging suspension bridge, which is a distinctive cultural feature of Eastern Kentucky. The east tower is original, constructed of I-beams and... More
West Verdi Bridge, State Route 425, Spanning Truckee River, Verdi, Was...
Significance: The West Verdi River Bridge is one of only two examples of single span concrete arch-thru bridges in Nevada. This type of structure has been rarely used in this state. Given the complexity of de... More
Green Pond drive - Public domain scan / drawing
Railroad station. Title inscribed below image. Bust of man on verso. Formerly Waud no. B-18. Gift, J.P. Morgan, 1919 (DLC/PP-1919:R1.2.783) Forms part of: Morgan collection of Civil War drawings.
[Atlanta, Ga. Northward view across the tracks on Whitehall Street, wi...
Photograph of the War in the West. These photographs are of Sherman in Atlanta, September-November, 1864. After three and a half months of incessant maneuvering and much hard fighting, Sherman forced Hood to a... More
Woonasquatucket Bridge, Spanning Woonasquatucket River, Providence, Pr...
Significance: The bridge, unique in Rhode Island, is historically significant because of its large number of parallel trusses. Survey number: HAER RI-28 Building/structure dates: 1892- 1893 Initial Constru... More
North Pennsylvania Railroad, Landis Ridge Tunnel, Beneath Landis Ridge...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Gibbon River Bridge No. 1, Spanning Gibbon River at Grand Loop Road, L...
Significance: Gibbon River Bridge I typifies the early design philosophy of the National Park Service, which was to use indigenous materials to harmonize manmade features with their natural surroundings. This ... More
Allender Road Bridge, Spanning CSX Transportation railroad tracks at A...
Significance: The Allender Road Bridge was declared eligible for National Register listing by the Maryland State Historic Preservation Office (SHPO) because it retains two riveted plate girders, which were deem... More
Casselman River Bridge, National Road (U.S. Route 40) at Little Crossi...
Survey number: HABS MD-139 National Register of Historic Places NRIS Number: 66000391
Cutler Bridge, Winterset City Park, Winterset, Madison County, IA
Significance: Cutler Bridge is one of nineteen covered bridges built in Madison County, Iowa, in the late nineteenth century and the second-oldest of five that survive. Originally located over the North River ... More
Houston-White Company Mill & Basket Factory, Main Street & Railroad Av...
Significance: The history of the Houston-White company demonstrates how changes in agricultural production significantly altered the produce basket industry in the late 19th and early 20th centuries. Unprocess... More
Houston-White Company Mill & Basket Factory, Main Street & Railroad Av...
Significance: The history of the Houston-White company demonstrates how changes in agricultural production significantly altered the produce basket industry in the late 19th and early 20th centuries. Unprocess... More
Houston-White Company Mill & Basket Factory, Main Street & Railroad Av...
Significance: The history of the Houston-White company demonstrates how changes in agricultural production significantly altered the produce basket industry in the late 19th and early 20th centuries. Unprocess... More
Houston-White Company Mill & Basket Factory, Main Street & Railroad Av...
Significance: The history of the Houston-White company demonstrates how changes in agricultural production significantly altered the produce basket industry in the late 19th and early 20th centuries. Unprocess... More
Houston-White Company Mill & Basket Factory, Main Street & Railroad Av...
Significance: The history of the Houston-White company demonstrates how changes in agricultural production significantly altered the produce basket industry in the late 19th and early 20th centuries. Unprocess... More
Houston-White Company Mill & Basket Factory, Main Street & Railroad Av...
Significance: The history of the Houston-White company demonstrates how changes in agricultural production significantly altered the produce basket industry in the late 19th and early 20th centuries. Unprocess... More
[Chattanooga, Tenn. Boxcars and depot with Federal cavalry guard beyon...
Photograph of the War in the West. These photographs are of the Battle of Chattanooga, September-November 1863. After Rosecrans' debacle at Chickamauga, September 19-20, 1863, Bragg's army occupied the mountai... More
Arroyo Seco Parkway, Los Angeles to Pasadena, Los Angeles, Los Angeles...
Significance: The Arroyo Seco Parkway (Pasadena Freeway) was the first divided-lane, high-speed, limited-access road in the urban western United States and the first stretch of road for what would become the ex... More
Arroyo Seco Parkway, Los Angeles to Pasadena, Los Angeles, Los Angeles...
Significance: The Arroyo Seco Parkway (Pasadena Freeway) was the first divided-lane, high-speed, limited-access road in the urban western United States and the first stretch of road for what would become the ex... More
Arroyo Seco Parkway, Los Angeles to Pasadena, Los Angeles, Los Angeles...
Significance: The Arroyo Seco Parkway (Pasadena Freeway) was the first divided-lane, high-speed, limited-access road in the urban western United States and the first stretch of road for what would become the ex... More
Arroyo Seco Parkway, Los Angeles to Pasadena, Los Angeles, Los Angeles...
Significance: The Arroyo Seco Parkway (Pasadena Freeway) was the first divided-lane, high-speed, limited-access road in the urban western United States and the first stretch of road for what would become the ex... More
Arroyo Seco Parkway, Los Angeles to Pasadena, Los Angeles, Los Angeles...
Significance: The Arroyo Seco Parkway (Pasadena Freeway) was the first divided-lane, high-speed, limited-access road in the urban western United States and the first stretch of road for what would become the ex... More
Fifth Street Bridge, U.S. 50 at Colorado River, Grand Junction, Mesa C...
Survey number: HAER CO-41 Public domain photograph - historical image of Colorado, United States, free to use, no copyright restrictions image - Picryl description
Fifth Street Bridge, U.S. 50 at Colorado River, Grand Junction, Mesa C...
Survey number: HAER CO-41 Public domain photograph - historical image of Colorado, United States, free to use, no copyright restrictions image - Picryl description
Vicksburg National Military Park Roads & Bridges, Vicksburg, Warren Co...
Significance: The Vicksburg National Military Park tour roads provide access to areas of interest in the park, which commemorates and interprets the siege and defense of Vicksburg in 1863 during the Civil War. ... More
Vicksburg National Military Park Roads & Bridges, Vicksburg, Warren Co...
Significance: The Vicksburg National Military Park tour roads provide access to areas of interest in the park, which commemorates and interprets the siege and defense of Vicksburg in 1863 during the Civil War. ... More
Vicksburg National Military Park Roads & Bridges, Vicksburg, Warren Co...
Significance: The Vicksburg National Military Park tour roads provide access to areas of interest in the park, which commemorates and interprets the siege and defense of Vicksburg in 1863 during the Civil War. ... More
Levi A. Mackey Carriage House, 404 North Grove Street, Lock Haven, Cli...
Photo caption pages & written data include site & floor plans. Survey number: HABS PA-5524-A Building/structure dates: 1865 Initial Construction Building/structure dates: 1891 Subsequent Work Building/struct... More
Levi A. Mackey Carriage House, 404 North Grove Street, Lock Haven, Cli...
Photo caption pages & written data include site & floor plans. Survey number: HABS PA-5524-A Building/structure dates: 1865 Initial Construction Building/structure dates: 1891 Subsequent Work Building/struct... More
Pittsburgh & Lake Erie Railroad, Ohio River Bridge, Spanning Ohio Rive...
Significance: The bridge is significant for its relatively long and heavy cantilever truss, planned shortly before the Quebec cantilever bridge collapse of 1907. Rather than select a different design, the railr... More
Bridgeport Bridge, Spanning Wisconsin River at U.S. Highway 18, Bridge...
Significance: In 1983, the Bridgeport Bridge, comprised of seven truss spans, was one of five remaining Pennsylvania trusses in the State of Wisconsin. However in the subsequent ten years, four of these uncomm... More
Bridgeport Bridge, Spanning Wisconsin River at U.S. Highway 18, Bridge...
Significance: In 1983, the Bridgeport Bridge, comprised of seven truss spans, was one of five remaining Pennsylvania trusses in the State of Wisconsin. However in the subsequent ten years, four of these uncomm... More
Shipyard / Levy & Cohen., Confederate States of America.
Photograph shows a ship building facility in a rural area near Richmond, Virginia. "Entered according to Act of Congress in the year 1865 by Levy and Cohen in the Clerk's Office, of the District Court, for the ... More
Colusa Bridge, Spanning Sacramento River, Colusa, Colusa County, CA
Significance: The turning mechanism, although presently electrically operated, was originally hand-operated, is representative of several swing span bridges throughout California. Survey number: HAER CA-7 Bui... More
Colusa Bridge, Spanning Sacramento River, Colusa, Colusa County, CA
Significance: The turning mechanism, although presently electrically operated, was originally hand-operated, is representative of several swing span bridges throughout California. Survey number: HAER CA-7 Bui... More
Hall Bridge, Spanning Saxtons River at Paradise Hill Road, Rockingham,...
Significance: Hall Bridge was erected in 1982 to replace an 1867 covered bridge that had collapsed under an overweight vehicle in 1980. Although not a replica of its predecessor, Hall Bridge is an authentic co... More
Rock Creek Bridge, Shoshone Street West spanning Rock Creek, Twin Fall...
Significance: The Rock Creek Bridge is exceptionally unique as one of only two viaduct-type highway bridges in the Idaho State Bridge Inventory. / In a historical context, the structure reflects the vast improv... More
Faro de los Morillos de Cabo Rojo, Los Morillos de Cabo Rojo, Cabo Roj...
Significance: Cabo Rojo Light was built in 1882 as a 3rd order light with 18 miles range that showed a white light eclipsed every minute. The present structure stands very much as it was back in 1882; although... More
Faro de los Morillos de Cabo Rojo, Los Morillos de Cabo Rojo, Cabo Roj...
Significance: Cabo Rojo Light was built in 1882 as a 3rd order light with 18 miles range that showed a white light eclipsed every minute. The present structure stands very much as it was back in 1882; although... More
Faro Isla de Culebritas, South side of Isla Culebrita, Culebra, Culebr...
Significance: Isla Culebrita Light was built in 1886 on the western side of Virgin Passage. In both design and importance of location the stone structure is unique. In 1888 the 4th order light showed a fixed ... More
Chase Creek Railroad Bridge, East of Frisco Street at Chase Creek, Cli...
Significance: Associated with railroad transportation and the development of Clifton. Survey number: HABS AZ-176 Building/structure dates: 1901 Initial Construction Building/structure dates: 1906 Subsequent ... More
Water Tank, W.& A.R.R. - Public domain drawing
Title inscribed below image. Inscribed upper right verso: Ken[esaw] Mt. Formerly Waud no. B-137. Unidentified sketch on verso. Gift, J.P. Morgan, 1919 (DLC/PP-1919:R1.2.901) Forms part of: Morgan collection of ... More
Route 1 Extension, Southbound Viaduct, Spanning Conrail Yards, Wilson ...
Significance: This viaduct is part of the Route 1 Extension, an early example of planned, limited access, road construction built to carry high speed automobile and heavy commercial traffic. Designed and const... More
Route 1 Extension, Southbound Viaduct, Spanning Conrail Yards, Wilson ...
Significance: This viaduct is part of the Route 1 Extension, an early example of planned, limited access, road construction built to carry high speed automobile and heavy commercial traffic. Designed and const... More
Route 1 Extension, Southbound Viaduct, Spanning Conrail Yards, Wilson ...
Significance: This viaduct is part of the Route 1 Extension, an early example of planned, limited access, road construction built to carry high speed automobile and heavy commercial traffic. Designed and const... More
Route 1 Extension, Southbound Viaduct, Spanning Conrail Yards, Wilson ...
Significance: This viaduct is part of the Route 1 Extension, an early example of planned, limited access, road construction built to carry high speed automobile and heavy commercial traffic. Designed and const... More
Route 1 Extension, Southbound Viaduct, Spanning Conrail Yards, Wilson ...
Significance: This viaduct is part of the Route 1 Extension, an early example of planned, limited access, road construction built to carry high speed automobile and heavy commercial traffic. Designed and const... More
Route 1 Extension, Southbound Viaduct, Spanning Conrail Yards, Wilson ...
Significance: This viaduct is part of the Route 1 Extension, an early example of planned, limited access, road construction built to carry high speed automobile and heavy commercial traffic. Designed and const... More
Grave Creek Bridge, Spanning Grave Creek on Sunny Valley Loop Road, Su...
Significance: Achieves statewide significance as part of a thematic group of timber-constructed, covered bridges of Oregon, and it is the last remaining covered bridge in Josephine County. It is an intact examp... More
Grave Creek Bridge, Spanning Grave Creek on Sunny Valley Loop Road, Su...
Significance: Achieves statewide significance as part of a thematic group of timber-constructed, covered bridges of Oregon, and it is the last remaining covered bridge in Josephine County. It is an intact examp... More
Davis Island Dam & Lock No. 1, Ohio River, mile 4.7 on right bank, Pit...
Includes index to related materials in National Archives RG 77. Significance: As the first lock and dam on the Ohio River, the Davis Island Lock and Dam was an experimental project testing the skills of the 19t... More
Eskimo in kayak, Alaska. 19th century, Library of Congress collection
Public domain photograph of people with a small paddle boat, or canoe, free to use, no copyright restrictions image - Picryl description
Erie-Lackawanna Railroad, Tunkhannock Viaduct, Nicholson, Wyoming Coun...
Significance: When the Lackawanna Railroad's 39.6-mile Clarks Summit-Halstead Cutoff in northeastern Pennsylvania was dedicated on Saturday, November 6, 1915, the 2,375-foot-long, 240-foot-high Tunkhannock Viad... More
Erie-Lackawanna Railroad, Tunkhannock Viaduct, Nicholson, Wyoming Coun...
Significance: When the Lackawanna Railroad's 39.6-mile Clarks Summit-Halstead Cutoff in northeastern Pennsylvania was dedicated on Saturday, November 6, 1915, the 2,375-foot-long, 240-foot-high Tunkhannock Viad... More
Pigtail Bridge, Hot Springs, Fall River County, SD
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Merchants' Transportation Company, Despatch, N.Y.
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Eldean Bridge, Spanning Great Miami River at bypassed section of Eldea...
Picryl description: Public domain image of an industrial building, warehouse, depot, train station, 19th-20th century, free to use, no copyright restrictions.
Eldean Bridge, Spanning Great Miami River at bypassed section of Eldea...
Public domain scan of an architecture diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.
Lakeshore Drive Bridge, Spanning Lake No. 3 adjacent branch at Lakesho...
Picryl description: Public domain image of an arch bridge, stone structure, architecture, free to use, no copyright restrictions.
Liberty Bridge, Spanning Smith Fork Creek on City Road, Liberty, De Ka...
Significance: The Liberty Bridge is a representative example of the Warren pony truss and of the work of the Nashville Bridge Company. It is also a contributing structure in the Liberty Historic District as th... More
West Union Bridge, Spanning Sugar Creek, CR 525W, West Union, Parke Co...
Significance: Local bridge builder J.J. Daniels built the West Union Bridge in 1876 to replace a washed out bridge. Daniels built nearly sixty covered bridges in Indiana between 1855 and ca. 1900. The bridge ... More
West Union Bridge, Spanning Sugar Creek, CR 525W, West Union, Parke Co...
Significance: Local bridge builder J.J. Daniels built the West Union Bridge in 1876 to replace a washed out bridge. Daniels built nearly sixty covered bridges in Indiana between 1855 and ca. 1900. The bridge ... More
Bear Creek Bridge, Spanning Bear Creek on St. Killian Road, Sextonvill...
Significance: The Bear Creek Bridge is an example of early, single-span Pratt Half-Hip Pony truss. The construction technique of built-up members is typical for the pre-1895 period. Survey number: HAER WI-42 ... More
Figueroa Street Tunnels, Mileposts 24.90, 25.14, 25.28, & 25.37 on Arr...
Survey number: HAER CA-265-G Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description
Reliance Bridge, Spanning Hiwassee River on State Route 315, Reliance,...
Significance: The Reliance is a representative example of the Pratt through truss. It is the only existing bridge in Tennessee known to have been built by the Roanoke Bridge Company. Also, it is a contributin... More
Reliance Bridge, Spanning Hiwassee River on State Route 315, Reliance,...
Significance: The Reliance is a representative example of the Pratt through truss. It is the only existing bridge in Tennessee known to have been built by the Roanoke Bridge Company. Also, it is a contributin... More
Chicago, Milwaukee & St. Paul Railway, Bridge No. Z-2, Spanning North ...
Significance: The Chicago, Milwaukee & St. Paul Railway's Bridge No. Z-2 is not only one of a few remaining swing bridges in Chicago, but is also of a rare asymmetrical or "bob-tail" type. The pivot pier is on... More