Philadelphia & Western Railway, Bridgeport Bridge, Spanning Schulykill...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...
See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More
Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...
See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More
Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...
See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More
Snowden Bridge, Spanning Missouri River, Nohly, Richland County, MT
Survey number: HAER MT-27 Building/structure dates: 1913 Initial Construction Building/structure dates: 1925 Subsequent Work
Seven Mile Bridge, Linking Florida Keys, Marathon, Monroe County, FL
Significance: At the time the Florida East Coast Railway constructed this bridge it was acclaimed as the longest bridge in the world, an engineering marvel. It was the most costly of all Flagler's bridges in t... More
Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...
Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More
Bessemer & Lake Erie Railroad, Allegheny River Bridge, Spanning Allegh...
Significance: The bridge was designed by two U.S. Steel subsidiaries - the railroad and the American Bridge Company - as a showpiece for their parent company. This structure not only introduced new silicon stee... More
Williamsburg Bridge, Spanning East River at South Sixth Street between...
Significance: The Williamsburg Bridge is the longest span suspension bridge over the East River, its span exceeding that of the Brooklyn Bridge by 4.5 feet. Survey number: HAER NY-128 Building/structure dates... More
Philadelphia & Reading Railroad, Mill Creek Bridge, Spanning Mill Cree...
Significance: This structure is significant as a well-preserved example among dozens of stone arch bridges built along the Philadelphia & Reading Railroad during the mid-19th century, and one of few with a curv... More
New York, New Haven & Hartford Railroad, Fort Point Channel Rolling Li...
Significance: The construction of South Station in 1896-98, involved the rerouting of several of the old lines from the west and south. The New York, New Haven & Hartford Railroad constructed a six-track rollin... More
Pennsylvania Railroad, Pickering Creek Trestle, Spanning Pickering Cre...
Significance: The trestle is significant as a high trestle with both horizontal and vertical curvature. Unprocessed Field note material exists for this structure: N596 Survey number: HAER PA-521 Building/str... More
Boylan Avenue Bridge, Boylan Avenue between West Martin & West Hargett...
Significance: Two street-railway separation bridges are located on South Boylan Avenue between West Martin and West Hargett Streets. The inventoried bridge is a riveted structural street Warren through truss, ... More
New York & Mahopac Railroad, Bridge L-158, Schoolhouse Road, Goldens B...
Significance: The development of the metal truss bridge in America largely paralleled the needs of the railroads, and the through-truss double-intersection form patented by Squire Whipple in 1846 and modified b... More
Gulf, Mobile & Ohio Railroad Bridge, Spans Black Warrior River between...
Significance: This structure represents the railroads in the District and the vital part they played in opening up mining areas, moving raw materials to processing plants and finished goods to markets. / This c... More
Gulf, Mobile & Ohio Railroad Bridge, Spans Black Warrior River between...
Significance: This structure represents the railroads in the District and the vital part they played in opening up mining areas, moving raw materials to processing plants and finished goods to markets. / This c... More
Southern Pacific Railroad Shasta Route, Bridge No. 210.52, Milepost 21...
Significance: The Southern Pacific Railroad Shasta Route, built as the California and Oregon Railroad and the Central Pacific Railroad between Roseville, California and Portland, Oregon was the first thrust nor... More
Bridge No. 33.3, Spanning Elk River at Milepost JC-33.3, Fayetteville,...
Significance: The Louisville Bridge & Iron Company fabricated each span between 1898 and 1890 for use in a bridge at Trace Creek on the Nashville Division. Between 1908 and 1910 all three of these spans were r... More
Bridge No. 33.3, Spanning Elk River at Milepost JC-33.3, Fayetteville,...
Significance: The Louisville Bridge & Iron Company fabricated each span between 1898 and 1890 for use in a bridge at Trace Creek on the Nashville Division. Between 1908 and 1910 all three of these spans were r... More
Pennsylvania Railroad, Brandywine Valley Viaduct, Spanning Brandywine ...
Significance: It is notable for its height, length, and complex geometry, which includes both horizontal and vertical curvature. It is also significant in association with the Pennsylvania Railroad's Philadelph... More
Pennsylvania Railroad, Brandywine Valley Viaduct, Spanning Brandywine ...
Significance: It is notable for its height, length, and complex geometry, which includes both horizontal and vertical curvature. It is also significant in association with the Pennsylvania Railroad's Philadelph... More
Mahoning Creek Trestle, Spanning Mahoning Creek, 1 mile West of Goodvi...
Significance: The Mahoning Creek Trestle is the largest structure of its type in Indiana County and played a large part in the county's transportation history. Survey number: HAER PA-266 Building/structure da... More
Erie Railway, Allegany Division, Bridge 367.33, Rush Creek, Botsford H...
Survey number: HAER NY-42 Public domain photograph - city, downtown, New York, United States, free to use, no copyright restrictions image - Picryl description
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
Puente Ferroviario San Antonio, Spanning San Antonio Channel at PR-1, ...
Significance: The San Antonio railroad bridge is a concrete structure built between 1922 and 1932, consisting of arch-framed slab spans with art-deco railings and spandrel walls. It was designed to replace a 1... More
Pennsylvania Railroad, Whitford Bridge, Spanning Amtrak tracks at Whit...
Significance: The bridge's main span, a pin-connected Parker through truss, is an exceptionally long example of its type. Its length surpasses the practical limit of 300', beyond which a subdivided Pennsylvania... 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
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
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
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
Denver & Rio Grande Western Railroad, Provo River Bridge, Spanning Pro...
Significance: The Provo River Bridge is a significant example of a Pratt through-truss bridge and is assumed to be built all of wrought iron. The bridge surveyed was originally one of three spans built in 1884 ... More
Pennsylvania Railroad, French Creek Trestle, Spanning French Creek, no...
Significance: With its sixteen plate-girder spans of various ages, is an excellent example of American railroads' practice of recycling main-line structures into branches and sidings. Unprocessed Field note ma... More
Shoreham Railroad Bridge, Former Addison County Railroad (later, Rutla...
Significance: The Shoreham Railroad Bridge is a well-preserved example of a covered wood Howe truss, the first bridge type to use metal for primary structural members. It is one of eight surviving covered wood... More
Pittsburgh, Fort Wayne & Chicago Railway, Beaver River Bridge, Spannin...
Significance: The bridge includes several unusually shallow and heavy skewed Warren deck trusses. The interesting and well-documented history of this crossing includes a rare instance of highway and railroad br... More
Susquehanna River Bridge, Spanning Susquehanna River, Havre de Grace, ...
Significance: The Susquehanna River Bridge was constructed in 1908 to replace an older, timber Howe truss structure. The first bridge built by the B&O Railroad on this site consisted of twelve 250 foot spans, ... More
Susquehanna River Bridge, Spanning Susquehanna River, Havre de Grace, ...
Significance: The Susquehanna River Bridge was constructed in 1908 to replace an older, timber Howe truss structure. The first bridge built by the B&O Railroad on this site consisted of twelve 250 foot spans, ... More
Galveston Causeway, Spanning Galveston Bay parallel to I-45, Galveston...
Significance: This reinforced concrete viaduct spans more than two miles between Galveston Island and the Texas mainland. Its original twenty-eight concrete arches and steel draw span were the first Galveston ... More
Erie Railway, Bradford Division, Bridge 27.66, Spanning Kinzua Creek V...
Survey number: HAER PA-7 Building/structure dates: ca. 1885 Initial Construction Building/structure dates: ca. 1900 Subsequent Work National Register of Historic Places NRIS Number: 77001511
Erie Railway, Bradford Division, Bridge 27.66, Spanning Kinzua Creek V...
Survey number: HAER PA-7 Building/structure dates: ca. 1885 Initial Construction Building/structure dates: ca. 1900 Subsequent Work National Register of Historic Places NRIS Number: 77001511
Birmingham Mineral Railroad Viaduct, Spanning Newfound Creek, Birmingh...
The location was changed from "Spanning King Creek" to "Spanning Newfound Creek" to more accurately reflect its location. "L&N Railroad Cane Creek Branch Trestle No. 10" was also added as a secondary name afte... More
High bridge, Appomattox, Virginia - A black and white photo of a bridg...
No. 4152. Illus. in: Gardner's photographic sketch book of the war / Alexander Gardner. Washington, D.C. : Philp & Solomons, [c1866], v. II, pl. 98. Hand written on verso: "Miller, vol. III, p. 311". Gift; Co... More
Philadelphia & Reading Railroad, Wissahickon Creek Viaduct, Spanning W...
Significance: The Wissahickon Creek Viaduct marks the beginning of a resurgence in major stone arch bridge construction on American railroads after the panic of 1873. Unprocessed Field note material exists for... More
Augustine Bridge, Brandywine River,Augustine Cutoff, Wilmington, New C...
Significance: Wrought iron, pin-connected, Pratt-type truss superstructure mounted on granite masonry piers; originally served as bridge for the B&O Railroad. Survey number: HAER DE-20 Building/structure date... More
Augustine Bridge, Brandywine River,Augustine Cutoff, Wilmington, New C...
Significance: Wrought iron, pin-connected, Pratt-type truss superstructure mounted on granite masonry piers; originally served as bridge for the B&O Railroad. Survey number: HAER DE-20 Building/structure date... More
Augustine Bridge, Brandywine River,Augustine Cutoff, Wilmington, New C...
Significance: Wrought iron, pin-connected, Pratt-type truss superstructure mounted on granite masonry piers; originally served as bridge for the B&O Railroad. Survey number: HAER DE-20 Building/structure date... More
East Side Railroad Tunnel, Benefit Street to Seekonk River, Providence...
Significance: The tunnel and viaduct connected all railroad traffic from Fall River, Massachusetts, and the eastern shore of the Narragansett Bay with the main shoreline route of the New York, New Haven & Hartf... More
East Side Railroad Tunnel, Benefit Street to Seekonk River, Providence...
Significance: The tunnel and viaduct connected all railroad traffic from Fall River, Massachusetts, and the eastern shore of the Narragansett Bay with the main shoreline route of the New York, New Haven & Hartf... More
Deansbury Bridge, Spanning South Platte River, Waterton, Jefferson Cou...
Significance: It is a riveted single-span Warren through truss. It was built as a narrow gauge, railroad bridge for the Denver, South Park and Pacific Railroad and it is presently used as an access road bridge.... More
Deansbury Bridge, Spanning South Platte River, Waterton, Jefferson Cou...
Significance: It is a riveted single-span Warren through truss. It was built as a narrow gauge, railroad bridge for the Denver, South Park and Pacific Railroad and it is presently used as an access road bridge.... More
Bridge No. 110, Spanning Wepawaug River & Prospect Street at Metro-Nor...
Significance: Bridge No. 110 was part of the railroad expansion program and was constructed between 1892 and 1896. Designed in 1893 by F.S. Curtis, Chief Engineer and constructed in 1894, the structure has bas... More
Cumberland & Pennsylvania Railroad, Wills Creek Bridge, Spanning Wills...
Significance: The Wills Creek Bridge is located in the Cumberland and Pennsylvania subdivision of the Western Maryland Railway Company. It is a brick arch viaduct of four spans, each 45 feet in length. The ab... More
Delaware, Lackawanna & Western Railroad, Scranton Yards, Bridge 60, Sp...
Significance: Bridge 60 stands at the west end of the Scranton yards. It controlled traffic between the yards and the D,L & W's mainline and Bloomsburg branch. Its construction is typical of D,L & W plate gir... More
Delaware, Lackawanna & Western Railroad, Scranton Yards, Bridge 60, Sp...
Significance: Bridge 60 stands at the west end of the Scranton yards. It controlled traffic between the yards and the D,L & W's mainline and Bloomsburg branch. Its construction is typical of D,L & W plate gir... More
Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...
Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More
Destruction of the locomotives on the bridge over the Chickahominy
Signed lower right: A.R. Waud. Title inscribed below image. Published in: Harper's Weekly. Inscribed over image: The R.R. Bridge was burned [?]. Trees too high. Gift, J.P. Morgan, 1919 (DLC/PP-1919:R1.2.548) Re... More
Fourth Street Viaduct, Spanning Los Angeles River, Los Angeles, Los An...
Significance: Fourth Street Viaduct was one of several reinforced concrete bridges providing an elegant, sturdy crossing over the Los Angeles River and railroad tracks built by the City of Los Angeles beginning... More
Fourth Street Viaduct, Spanning Los Angeles River, Los Angeles, Los An...
Significance: Fourth Street Viaduct was one of several reinforced concrete bridges providing an elegant, sturdy crossing over the Los Angeles River and railroad tracks built by the City of Los Angeles beginning... More
Chicago & North Western Railway Bridge No. 128, Spanning Turtle Creek,...
Significance: The Tiffany Stone Bridge is the oldest remaining stone arch bridge in the State of Wisconsin. It is an excellent representative example of the stonework done by the Chicago & North Western Railwa... More
Nebraska City Bridge, Spanning Missouri River near Highway 2 between N...
Report also released under the alternate title, "Behemoths: The Great River Bridges of George S. Morison" Significance: With his long-span railroad bridges over the navigable Midwestern rivers, civil engineer G... More
Nebraska City Bridge, Spanning Missouri River near Highway 2 between N...
Report also released under the alternate title, "Behemoths: The Great River Bridges of George S. Morison" Significance: With his long-span railroad bridges over the navigable Midwestern rivers, civil engineer G... More
Milwaukee Road Railroad Overpass, Spanning Chicago, Milwaukee, St. Pau...
Significance: The overpass is an excellent example of a reinforced concrete T-beam bridge. The design was the most commonly utilized by the Montana Highway Commission for railroad overpasses constructed as part... More
Pittsburgh, Fort Wayne & Chicago Railway, Calumet River Bridge, Spanni...
See also HAER IL-161 for additional documentation. Significance: The Pittsburgh, Fort Wayne & Chicago Railway's two parallel vertical-lift spans over the Calumet River (of which one survives), and two neighbori... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Coram Bridge, Spanning Flathead River, Coram, Flathead County, MT
Significance: This two-span, pin-connected, Baltimore dock truss bridge across the Flat River is approached from either direction by plate girder spans between trestles. The two Baltimore spans are 230' in leng... More
Philadelphia & Reading Railroad, Mule Bridge, Spanning Schulykill Rive...
Significance: The bridge is one of Philadelphia's oldest metal railroad bridges, and a rare surviving example of a wrought-iron lattice truss. Survey number: HAER PA-552 Building/structure dates: 1889 Initial... More
Philadelphia & Reading Railroad, Mule Bridge, Spanning Schulykill Rive...
Significance: The bridge is one of Philadelphia's oldest metal railroad bridges, and a rare surviving example of a wrought-iron lattice truss. Survey number: HAER PA-552 Building/structure dates: 1889 Initial... More
Philadelphia & Reading Railroad, Mule Bridge, Spanning Schulykill Rive...
Significance: The bridge is one of Philadelphia's oldest metal railroad bridges, and a rare surviving example of a wrought-iron lattice truss. Survey number: HAER PA-552 Building/structure dates: 1889 Initial... More
Powerscourt Bridge, Spanning Chateauguay River, First Concession Road,...
Picryl description: Public domain image of a bridge over a water stream, free to use, no copyright restrictions.
Philadelphia & Reading Railroad, Skew Arch Bridge, North Sixth Street ...
See also HABS PA-1025 for additional documentation. Includes photographs. See also HAER PA-117 for additional documentation. Significance: This structure's three spans are extremely rare examples of true skew a... More
Santa Fe Railroad, llinois & Michigan Canal Bridge, Crossing I&M Canal...
Significance: Built in 1935, this railroad bridge is the only subdivided, double-intersection Warren through Truss bridge built in the Upper Illinois Valley. Survey number: HAER IL-59 Building/structure dates... More
Napa River Railroad Bridge, Spanning Napa River, east of Soscol Avenue...
Significance: The Napa Valley Railroad Bridge served as an integral element of the Napa Valley Railroad. The importance of the railroad to the development of both the community of Napa and the surrounding regi... More
Baltimore & Ohio Railroad, Thomas Viaduct, Spanning Patapsco River, El...
Picryl description: Public domain image of an arch bridge, stone architecture, free to use, no copyright restrictions.
East Twenty-seventh Street Viaduct, Spanning Vine Street, Kansas City,...
Picryl description: Public domain image of a bridge, water, historic structure, free to use, no copyright restrictions.
Pennsylvania Railroad, Safe Harbor Bridge, Spanning mouth of Conestoga...
Significance: The bridge is unusual two-level structure built to carry two different Pennsylvania Railroad branches. The low-grade freight line on the upper level was chief engineer William H. Brown's last majo... More
L. & N. train crossing back bay, Ocean Springs, Miss.
Public domain image of a train station in Boston, Massachusetts, free to use, no copyright restrictions - Picryl description
Bridges of the Upper Tombigbee River Valley, Cochrane, Pickens County,...
Survey number: HAER AL-7 Public domain photograph - historical image of Alabama, United States, free to use, no copyright restrictions image - Picryl description
Erie Railway, Parallel French Creek Bridges, 100 feet South of Millers...
Survey number: HAER PA-28 Public domain photograph of train tracks, railroad, free to use, no copyright restrictions image - Picryl description
Allegheny Portage Railroad, Bens Creek Culvert, Spanning Bens Creek at...
Significance: It is significant as an outstanding example of early 19th century masonry arch construction, and for its association with the Allgeheny Portage Railroad, which the bridge originally carried across... More
Bell Avenue Bridge, Spanning Bell Avenue at Conrail Railroad, Pittsbur...
Significance: Constructed in 1880 to replace an earlier wooden structure, the bridge provided an overpass for Bell Avenue in the Borough of Carnegie, Pennsylvania. The twin sandstone arches represent a bridge t... More
Bell Avenue Bridge, Spanning Bell Avenue at Conrail Railroad, Pittsbur...
Significance: Constructed in 1880 to replace an earlier wooden structure, the bridge provided an overpass for Bell Avenue in the Borough of Carnegie, Pennsylvania. The twin sandstone arches represent a bridge t... More
Bell Avenue Bridge, Spanning Bell Avenue at Conrail Railroad, Pittsbur...
Significance: Constructed in 1880 to replace an earlier wooden structure, the bridge provided an overpass for Bell Avenue in the Borough of Carnegie, Pennsylvania. The twin sandstone arches represent a bridge t... More
Atchison, Topeka & Santa Fe Railroad Bridge, Spanning Arroyo Seco Park...
Survey number: HAER CA-265-U Public domain photograph - historical image of California, United States, free to use, no copyright restrictions image - Picryl description
Chicago, Madison & Northern Railroad, Sanitary & Ship Canal Bridge, Sp...
Significance: This bridge crossing the Sanitary and Ship Canal was originally built for the Chicago, Madison & Northern Railroad Bridge. When it was completed in 1900 it contained the longest swing span of the... More
Copper River & Northwest Railroad, Million Dollar Bridge, Spanning Cop...
Significance: One of two "impossible bridges" across the Copper R., one of unprecedented size and strength, built across the faces of two glaciers and key to the success of the CR&NWRR, which was to be the All ... More
Arizona Eastern Railroad Bridge, Spanning Salt River, Tempe, Maricopa ...
Significance: Longest-standing railroad bridge at a location notorious for flood damage; last remaining railroad bridge in Tempe. Nine-span Pratt truss style illustrates evolution of bridge engineering of the e... More
Double Intersection Warren Truss Bridge, Spanning Blackledge River, Co...
Significance: Typical of truss bridges at river crossings c. 1907, particularly as constructed by the New York, New Haven and Hartford Railroad in its upgrading o the then 40 year old line. Unlike similar brid... More
Double Intersection Warren Truss Bridge, Spanning Blackledge River, Co...
Significance: Typical of truss bridges at river crossings c. 1907, particularly as constructed by the New York, New Haven and Hartford Railroad in its upgrading o the then 40 year old line. Unlike similar brid... More
Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...
Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More
Burlington Northern Santa Fe Railroad, Cajon Subdivision, Structure No...
Significance: The railroad through Cajon Pass provides a link between the greater Los Angeles area and distant markets. In 1998, the California State Historic Preservation Office determined the historic route o... More
Contoocook Railroad Bridge, Spanning Contoocook River at former Boston...
See HABS No. NH-21, Contoocook Covered Bridge, for further information: 6 drawings, 1 b&w photo, 5 data pages. Town lattice truss, 2 spans Significance: The Contoocook Railroad Bridge is one of eight surviving... More
Puente San Antonio, Spanning San Antonio Channel, San Juan, San Juan M...
Significance: Puente San Antonio was constructed in 1924-25 to carry a new highway serving the dock area of the San Juan islet. It was erected parallel to existing highway, railroad and trolley bridges spannin... More
Southern Pacific Railroad Shasta Route, Bridge No. 301.85, Milepost 30...
Public domain photograph - historical image of California, United States, free to use, no copyright restrictions image - Picryl description
Pennsylvania Railroad, Conestoga Creek Viaduct, Spanning Conestoga Riv...
Significance: It is unusual as a two-track bridge on a four-track line, and more so because of the projecting voussoirs on its south side, which would key in with a yet-unbuilt extension. Unprocessed Field not... More