Built 1974

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Amite River LA 22 Bridge (Livingston Parish, Louisiana)
Built 1974
Swing bridge over Amite River on LA 22 at Clio
Open to traffic

Beaver Creek Bridge (Comanche County, Oklahoma)
Built 1974
Pony truss bridge over Beaver Creek on IRR E1640
Open to traffic

BNSF RR Bridge (Greene County, Missouri)
Built 1974: rehabilitated 2010
Steel stringer bridge over BNSF RR on Route D
Open to traffic

Branch Fabius Creek Bridge (Davis County, Iowa)
Built 1974
Pony truss bridge over a branch of Fabius Creek on 289th Tr
Open to traffic

Branch Laughery Creek Bridge (Ripley County, Indiana)
Built 1974
Arch bridge over a branch of Laughery Creek on CR 350 North
Open to traffic

Brush Creek Bridge (Benton County, Missouri)
Built 1974; Rehabilitated 2010
Steel stringer bridge over Brush Creek on Route C
Open to traffic

Buck Creek Bridge (Cass County, Iowa)
Built 1974
Through truss bridge over Buck Creek on Chicago Road
Open to traffic

Buck Creek Bridge (Cass County, Iowa)
Built 1974
Pony truss bridge over Buck Creek on Eastland Street
Open to traffic

Charlton street overpass (Jefferson County, Kentucky)
Built 1974
Pony/through plate girder bridge over Charlton Street on Csx Railroad (formerly L&N railroad)
Open to traffic

Clay Wade Bailey Bridge (Hamilton County, Ohio)
Built 1974
Through truss bridge over Ohio River on US 25/US 42/US 127 in Cincinnati
Open to traffic

Commodore Barry Bridge (Gloucester County, New Jersey)
Built 1974
Cantilevered through truss bridge over Delaware River on US 322
Open to traffic

Csx Railroad Bridge (Fayette County, West Virginia)
Built 1974; rehabilitated 1994
Steel stringer bridge over Csx Railroad on Wv 41
Open to traffic

Curtis Creek Bridge (Baltimore, Maryland)
Built 1974; rehabilitated 2003
Bascule bridge over Curtis Creek on IS 695 Outer Lanes in Baltimore
Open to traffic

Daniel Webster Hoan Memorial Bridge (Milwaukee County, Wisconsin)
Built 1974, Approach Span Failure Repaired 2001
Pair of steel through arch bridges over Milwaukee River on I-794 in Milwaukee
Open to traffic

East Fork East Nodaway River Bridge (Adams County, Iowa)
Built 1974
Pony truss bridge over East Fork East Nodaway River on Xavier Avenue
Open to traffic

East River Mountain Tunnel (Bland County, Virginia)
Built 1974
Tunnel under East River Mountain on I-77
Open to traffic

Eight Mile Creek Bridge (Butler County, Kansas)
Built 1974
Pony truss bridge over Eight Mile Creek, 1.8 mi. west and 2.0 mi. south of Douglass
Open to traffic

EJ&E Calumet River Bridge (Cook County, Illinois)
Built 1974
Warren through truss bridge over Calumet River on Elgin, Joliet & Eastern Ry (now CNRR)
Open

EJ&E Ridge Road Bridge (Grundy County, Illinois)
Built 1974
Pony/through plate girder bridge over Ridge Road in Minooka on EJ&E RR (now CNRR)
Open to traffic

Fields Creek Bridge (Henry County, Missouri)
Built 1974
Steel stringer bridge over Fields Creek on Mo 7 N
Open to traffic

Flat River Bridge (St. Francois County, Missouri)
Built 1974
Steel stringer bridge over Flat River on Mo 32 E
Open to traffic

Frog Bayou Bridge (Crawford County, Arkansas)
Built 1974
Steel stringer bridge over Frog Bayou on CO RD 27 (Lancaster Rd)
Open to traffic

Fruitvale Avenue Bridge (Alameda County, California)
Built 1974
Bascule bridge over Oakland Estuary on Fruitvale Avenue in Oakland
Open to traffic

Icg RR Bridge (Alexander County, Illinois)
Built 1974
Steel stringer bridge over Us 51 on Icg Rr

Main Street Bridge (Lyon County, Iowa)
Built 1974
Steel stringer bridge over Rock River on IA Hwy. 9
Open to traffic

Manzanita Avenue Bridge (Butte County, California)
Bridge over Big Chico Creek on Manzanita Avenue
Open to traffic

Mingo Ditch CR 697 Bridge (Stoddard County, Missouri)
Built or relocated here 1974; replaced 1995
Lost pony truss bridge(?) over Mingo Ditch on CR 697
Replaced by new bridge

NS Black River Lift Bridge (Lorain County, Ohio)
Built 1974
Through truss bridge over Black River on Railroad
Open to traffic

Oak Street Bridge (Yellow Medicine County, Minnesota)
Built 1974 replacing a pin-connected Camelback through truss bridge with A-frame portal bracing.
Steel stringer bridge over Minnesota River on Oak Street (CSAH 22 and CSAH 38-Renville Co.)
Open to traffic

Otter Creek Bridge (Fayette County, Iowa)
Built 1974
Pony truss bridge over Otter Creek on Echo Valley Road
Open to traffic

Pearson Creek Bridge (Greene County, Missouri)
Built 1974; Rehabilitated 2010
Stringer bridge over Pearson Creek on Route D
Open to traffic

Prairie Bridge (Clayton County, Iowa)
Built 1974
Steel through arch bridge over Mississippi River on US 18 between Marquette and Prairie du Chien
Open to traffic

Queen Isabella Causeway (Cameron County, Texas)
Built 1974
Steel stringer bridge over Intracoastal Waterway on Pr 100 in South Padre Island
Open to traffic

Raymond Bridge (Lancaster County, Nebraska)
1972, capacity rated 20 Tons - S-2S2(b)
Parker through truss bridge over North Oak Creek on West Raymond Road
Open to traffic

Reserve Relief Canal Bridge (St. John the Baptist Parish, Louisiana)
Built 1974
Stringer bridge over Reserve Relief Canal on I-10
Open to traffic

San Francisco Street Bridge (Santa Fe County, New Mexico)
Built 1974
Concrete arch bridge over Arroyo De Las Mascaras on San Francisco Street in Santa Fe
Open to traffic

Scrambling Creek Bridge (Clinton County, Iowa)
Built 1974
Arch bridge over Scrambling Creek on 110th Street
Open to traffic

Soldier River Bridge (Monona County, Iowa)
Built 1974; rehabilitated 1993
Pony truss bridge over Soldier River on 225th Street
Closed to all traffic

Talley Bend Bridge (St. Clair County, Missouri)
Steel stringer bridge over Lake Truman on State Hwy C
Open to traffic

Tarkio River Bridge (Page County, Iowa)
Built 1974
Through truss bridge over Tarkio River on 300th Street
Replaced by a new bridge

Tennessee River I-24 Bridge (Marshall County, Kentucky)
Built 1974 by the Allied Structural Steel Co.
Pair of steel through arch bridges over the Tennessee River on I-24
Open to traffic

Turkey Creek Bridge (Cass County, Iowa)
Built 1974
Pony truss bridge over Turkey Creek on East Street in Wiota
Open to traffic

Twelfth Avenue Bridge (Linn County, Iowa)
Built 1974
Five-span open-spandrel arch bridge over Cedar River on 12th Avenue in Cedar Rapids
Open to traffic

Union Pacific RR Bridge (Upshur County, Texas)
Built 1974
Stringer bridge over US 80 on Union Pacific RR

Westport Bridge (Lincoln County, Maine)
Built 1974
Haunched steel stringer bridge over Cowsweag Narrows on Route 144; Westport Bridge Road; Main Road
Open to traffic