Built 1973

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245th Street Bridge (Fayette County, Iowa)
Built 1973
Pony truss bridge over an unnamed creek on 245th Street (245th St)
Open to traffic

883rd Road-Bow Creek Bridge (Cedar County, Nebraska)
Built 1973
Pony truss bridge over Bow Creek on 883 Road
Open to traffic

Allegany Bridge ( replacement) (Cattaraugus County, New York)
Stringer bridge over ALLEGHENY RIVER on FIVE MILE RD
Open to traffic

Atchafalaya River US 190 Bridge (St. Landry Parish, Louisiana)
Built 1973 and 1988
Pair of through truss bridges over Atchafalaya River on US 190 at Krotz Springs
Open to traffic

Bailey Road -Genesee River Bridge ( Replacement) (Wyoming County, New York)
Stringer bridge over GENESEE RIVER on WHISKEY BRIDGE
Open to traffic

BART - Berkeley Hills Tunnel (Alameda County, California)
Bore completed in 1967, Open for revenue in 1973 they run just north of the Caldecott tunnels
Tunnel under Berkeley Hills on BART (Bay Area Rapid Transport)
Open to traffic

BART/SF Muni - Market Street Subway (San Francisco County, California)
Originally built 1973 for Bay Area Rapid Transit, San Francisco Municipal Railway connection added in 1980
Tunnel on Bay Area Rapid Transit & San Francisco Municipal Railway
Open to traffic

Beaver Creek US 50 Bridge (Clinton County, Illinois)
Built in 1973 in a failed expansion of US 50
Abandoned concrete rigid frame bridge over Beaver Creek on Unused Portion of US 50
Derelict/abandoned

Betsy Ross Bridge (Philadelphia County, Pennsylvania)
Built 1973
Truss bridge on NJ 90 over Delaware River, Richmond Street, River Road, Hedley Street
Open to traffic

Biloxi Back Bay Bridge (Harrison County, Mississippi)
Built 1973
Bridge over Biloxi Back Bay on I-110
Open to traffic

Brickell Key Bridge (Miami-Dade County, Florida)
Built 1973
Stringer bridge over Brickell Bay on Se 8th Street
Open to traffic

Brookdale Avenue Bridge (Columbiana County, Ohio)
Built 1973 by the Ohio Bridge Corp., rehabilitated 2011
Modern pony truss bridge over Penn Central Railroad on Hunston Road (CR 443) in East Palestine
Open to traffic

C&O Canal Bridge (Washington County, Maryland)
Built 1973; rehabilitated 1984
Steel stringer bridge over C&O Canal on Fort Frederick Acc
Open to traffic

Cache River Bridge (Jackson County, Arkansas)
Built 1973
Wooden bridge over Cache River on CR 51
Open to traffic

Canacadea Street-Canacadea Creek Bridge (Allegany County, New York)
Built 1973
Steel stringer bridge with open grate deck over Canacadea Creek on Canacadea Street
Open to traffic

Center Avenue Bridge (Allegheny County, Pennsylvania)
Built 1973
Steel deck arch bridge over Lowries Run on Center Avenue
Open to traffic

Chokosna Bridge (Valdez-Cordova Census Area, Alaska)
Built 1973
Warren pony truss bridge over Chokosna River on Edgerton/Mccarthy
Open to traffic

Clark Lane Bridge (Union County, Illinois)
Built 1973; rehabilitated 1986; replaced 2005
Lost wooden deck bridge over Dutch Creek on Clark Lane (TR 72), 1 mi. southwest of Jonesboro
Replaced by modern bridge

Cliff Avenue Bridge (Minnehaha County, South Dakota)
Built 1973
Bridge over Big Sioux Rv on Cliff Avenue S of E 12th Street in Sioux Falls
Open to traffic

Cliff Drive Bridge (Taney County, Missouri)
Built 1973
Steel rigid frame bridge over US Hwy 65 on Cliff Drive in Branson
Open to traffic

CMR - Woodson Road Overpass (St. Louis County, Missouri)
Built 1973;
Pony plate girder bridge over Woodson Rd. on former Rock Island
Open to traffic

Cross Keys Road- Schuykill River ( Replacement) (Berks County, Pennsylvania)
Stringer bridge over SCHUYLKILL RIVER on SR 4030 (LR 06043)
Open to traffic

CSX St. John Street Overpass (Spartanburg County, South Carolina)
Built 1973
Pony/through plate girder bridge over US 29 on Railroad (CSX)
Open to traffic

Duplantis Bridge (Terrebonne Parish, Louisiana)
Built 1973
Vertical lift bridge over Petit Caillou Bayou on Klondyke Road
Open to traffic

East Biscayne Bay Bridge (Miami-Dade County, Florida)
Built 1973
Pair of bascule bridges over East Biscayne Bay on FL 934 in Miami Beach
Open to traffic

Eisenhower Tunnel (Summit County, Colorado)
Constructed started March 15, 1968; tunnel opened March 8, 1973
Tunnel on I-70 Westbound at Loveland Pass
Open to traffic

Elkhorn Creek Bridge (Audubon County, Iowa)
Built 1973
Pony truss bridge over Elkhorn Creek on 280th Street
Don't know

Erie Avenue -Canacadea Creek Bridge (Allegany County, New York)
Stringer bridge over CANACADEA CREEK on ERIE AVENUE
Open to traffic

Fellowsville School Road Bridge (Preston County, West Virginia)
Built 1973
Steel stringer bridge over Right Fork Little Sandy Creek on CR 50/28 (Fellowsville School Road)
Open to traffic

Fox River Bascule Bridge (Winnebago County, Wisconsin)
Built 1973
Bascule bridge over Fox River on US 45 (S. Main Street) in Oshkosh
Open to traffic

Fremont Bridge (Multnomah County, Oregon)
Built 1973
Steel through arch bridge over Willamette River on I-405 in Portland
Open to traffic

George C. Wallace Tunnel (Mobile County, Alabama)
Built 1973
Dual four-lane tunnel under Mobile River on I-10 in Mobile
Open to traffic

Girard Point Bridge (Philadelphia County, Pennsylvania)
Built 1973
Through truss bridge over Schuylkill River, Railroad, Roads on I-95, Double Deck
Open to traffic

Goose Creek Bridge (Lawrence County, Indiana)
Built 1973; rehabilitated 1996
Arch bridge over Goose Creek on CR 400 West
Open to traffic

Great Egg Harbor Bridge (Atlantic County, New Jersey)
Built 1973
Girder bridge over Great Egg Harbor on Garden St Pkwy Nb
Open to traffic

Halls Gulch Bridge (Trinity County, California)
Built 1973
Steel stringer bridge over Halls Gulch on East Fork Road
Open to traffic

Haynes Station Road Bridge (Daviess County, Kentucky)
Concrete stringer bridge over Tributary of North Fork Panther Creek on Haynes Station Road
Open to traffic

Hernando DeSoto Bridge (Shelby County, Tennessee)
Built 1973
Two-span steel through arch bridge over the Mississippi River on I-40 at Memphis
Open to traffic

Holly Hills Drive Bridge (St. Louis, Missouri)
Built 1973
Modern steel arch bridge over the Union Pacific Railroad on Holly Hills Drive in St. Louis' Carondelet Park
Open to traffic with a 15-ton weight limit

Hominy Creek Road Bridge (Cumberland County, Kentucky)
Built 1973
Steel stringer bridge over Marrowbone Creek on Hominy Creek Road
Open to traffic

Intracoastal Waterway Bridge (Palm Beach County, Florida)
Built 1973
Pair of bascule bridge over Intracoastal Waterway on FL 802 (Lake Avenue) in Lake Worth
Open to traffic

J. Fred Patton Bridge (Sebastian County, Arkansas)
Built 1973
Girder bridge over Arkansas River & Arkansas-Missouri RR on US 64
Open to traffic

Kevin Ritchie Memorial Bridge (Fayette County, West Virginia)
Northbound bridge built 1973; southbound built 1995
Warren deck truss bridge over Meadow River on US 19
Open to traffic

Lake Branch Creek US 50 Bridge (Clinton County, Illinois)
Built in 1973 in a failed expansion of US 50
Abandoned steel stringer bridge over Lake Branch Creek on Unused Portion of US 50
Derelict/abandoned

Manchester Bridge (Richmond, Virginia)
Built 1973
Steel stringer bridge over James River/Haxall Canal/CSXTRR/Brown Island on 9th St
Open to traffic

Marengo River Bridge (Bayfield County, Wisconsin)
Built 1973
Steel stringer bridge over Marengo River on Marengo Lake Road
Open to traffic

Mason Street Bridge (Brown County, Wisconsin)
Built 1973
Bascule bridge over Fox River on Mason Street (WI 54) in Green Bay
Open to traffic

Mckissic Creek Bridge (Benton County, Arkansas)
Built 1973, Destroyed by Flooding 2013
Lost Beam bridge over Mckissic Creek on CR 40
Destroyed by flooding

Middleton Creek Bridge (Franklin County, Mississippi)
Built 1973
Pony truss bridge over Middleton Creek on Middleton Creek Road
Open to traffic

Mile Long Bridge (Polk County, Iowa)
Built 1973; Abutments rebuilt 2014
Steel stringer bridge over Saylorville Lake (Des Moines river) on Iowa Highway 415
Open to traffic

Mill Creek Bridge (Sebastian County, Arkansas)
Built 1973
Steel stringer bridge over Mill Creek on Jenny Lind Road in Fort Smith
Open to traffic

MILW - I-90 Overpass (Jackson County, Minnesota)
Built 1973, abandoned 1981
Abandoned pony/through girder bridge over Interstate 90 on Abandoned Milwaukee Road Railroad
Abandoned

NC 200 Rocky River Bridge (Union County, North Carolina)
Built 1973
Steel stringer bridge over Rocky River on NC Highway 200
Open to traffic

Ogden Street Bridge (Marinette County, Wisconsin)
Built 1973
Bascule bridge over Menominee River on Ogden Street in Marinette / 1st Street in Menominee
Open to traffic

Paducah Bridge (McCracken County, Kentucky)
Built 1973
Two-span tied-arch bridge on Interstate 24 over the Ohio River between Paducah, KY, and Metropolis, IL
Open to four lanes of traffic

Plum Island Turnpike Bridge (Essex County, Massachusetts)
Built 1973
Bascule bridge over Plum Island River on Plum Island Turnpike in Newbury
Open to traffic

RT 86 Overpas County RT 43 (Allegany County, New York)
Stringer bridge over CAMP ROAD on RTE I86
Open

Rum River Bridge at CSAH 16 (Mille Lacs County, Minnesota)
Built 1973
Timber stringer bridge over Rum River on Csah 16
Open to traffic

Second Street Bridge (Rice County, Minnesota)
Built 1973
Steel stringer bridge over Cannon River on MN Hwy. 19
Open to traffic

Sheboygan River Bridge (Sheboygan County, Wisconsin)
Built 1973
Stringer bridge over Sheboygan River on Lrd Pennsylvania A
Open to traffic

Shoal Creek US 50 Bridge (Clinton County, Illinois)
Built in 1973 in a failed expansion of US 50
Abandoned steel stringer bridge over Shoal Creek on Unused Portion of US 50
Derelict/abandoned

Sidney Sherman Bridge (Harris County, Texas)
Built 1973
Steel stringer bridge over Houston Ship Channel on Ih 610
Open to traffic

South Willow Creek Bridge (Monona County, Iowa)
Built 1973
Pony truss bridge over South Willow Creek on Teak Avenue
Open to traffic

Southern Railway Bridge (York County, South Carolina)
Built 1973, replaced previous bridge at this location
Bridge over Norfolk Southern Railway, Dave Lyle Blvd. on Norfolk Southern Railway
Open to traffic

Stoddard County Road 772 Bridge No. 2 (Stoddard County, Missouri)
Built 1973
Wooden deck bridge over a drainage ditch on CR 772
Open to traffic

Sugar Creek US 50 Bridge (Clinton County, Illinois)
Built in 1973 in a failed expansion of US 50
Abandoned steel stringer bridge over Sugar Creek on Unused Portion of US 50
Derelict/abandoned

Sulphur River Bridge (Red River County, Texas)
Built 1973
Stringer bridge over Sulphur River on Sh 37
Open to traffic

Tchoutacabouffa River Bridge (Harrison County, Mississippi)
Built 1973
Open grate deck girder swing bridge over Tchoutacabouffa River on Cedar Lake Road
Open to traffic

TXU - US67 Overpass (Titus County, Texas)
Built 1973
Girder bridge over US 67 on Texas Utilities Railroad
Open to traffic

UP - I90 Overpass (Martin County, Minnesota)
Built 1973
Deck plate girder bridge over I-90 on UPRR
Open to traffic

UP - Madrid High Bridge (Boone County, Iowa)
Built 1973; Abandoned in 2003; Removed in 2004 to be reused in the new Kate Shelley Bridge
Lost Deck plate girder bridge over Des Moines River on Chicago, Milwaukee, St. Paul & Pacific Railroad
Removed

UP - US20 Overpass (Hamilton County, Iowa)
Built 1973
Steel stringer bridge over US 20 on Railroad
Open to traffic

US 85 Missouri River Bridge (McKenzie County, North Dakota)
Concrete deck girder bridge over Missouri River on US Hwy 85
Open to traffic

US10 Mississippi River Bridge (Morrison County, Minnesota)
Built 1973; rehabilitated 2007
Steel stringer bridge over Mississippi River on US Hwy. 10
Open to traffic

Vicksburg I-20 Bridge (Warren County, Mississippi)
Built 1973
Cantilevered through truss over the Mississippi River on I-20 at Vicksburg
Open to traffic

WA-432 - Cowlitz River Bridge (Westbound) (Cowlitz County, Washington)
Built 1973
Warren through truss bridge over Cowlitz River on WA 432 in Kelso
Open to traffic

Wabash Trail - IL-4 Overpass (Sangamon County, Illinois)
Built 1973
Deck plate girder bridge over IL-4 on Wabash Trail
Open to pedestrians only

West Nodaway River Bridge (Cass County, Iowa)
Built 1973
Pony truss bridge over West Nodaway River on 650th Street
Open to traffic

Wilderness Retreat Road Bridge (Union County, Illinois)
Built 1973
Timber stringer bridge over You-Be Hollow on Wilderness Retreat Road
Open to traffic