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
Intact but closed to all traffic

Black River Bridge (Georgetown County, South Carolina)
Built 1974
Stringer bridge over Black River on Sc 51
Open to traffic

Blackrock Run Bridge (Baltimore County, Maryland)
Built 1974
Pony truss bridge over Blackrock Run on Western Run Road
Open to traffic

BNSF Route D 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

Caņada Del Refugio Bridge (Santa Barbara County, California)
Built 1974
Culvert bridge over Caņada Del Refugio on Refugio Beach Road
Open to traffic

CHAT - Columbia Railroad Bridge (Houston County, Alabama)
Built mid-1970s to replace swing span immediately downstream
Warren through truss with sub-panels bridge over Chattahoochee River on Chattahoochee Bay 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

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

CN - Ridge Road Overpass (Grundy County, Illinois)
Built 1974
Pony/through plate girder bridge over Ridge Road in Minooka on EJ&E Ry (now CN)
Open to traffic

CN - US51 Overpass (Alexander County, Illinois)
Built 1974
Steel stringer bridge over Us 51 on Icg Rr


Coal Creek 25th Place Bridge (Marion County, Iowa)
Steel stringer bridge over Coal Creek on 25th Place
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

Cotta Road Bridge (San Joaquin County, California)
Built 1974, reconstructed 1991
Timber stringer bridge over Upland Canal on Cotta Road
Open to traffic

CSX - 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

CSX - Chattahoochee River Bridge (Houston County, Alabama)
Built 1974 to replace upstream swing bridge
Polygonal Warren through truss bridge over Chattahoochee River on CSX Railroad
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

Deal Island Road-Manokin River Bridge (Replacement) (Somerset County, Maryland)
Bridge
Open to traffic

Desmond Lake Road Bridge (Poinsett County, Arkansas)
Built 1974; rehabilitated 1990
Steel stringer bridge over Left Hand Chute of Little River on Desmond Lake Road
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

Electric Bridge (Shelby County, Indiana)
Built 1974
Concrete stringer bridge over Little Blue River on Short Blue Road
Open to traffic

Ewing Narrows Bridge (Cumberland County, Maine)
Built 1974
Steel stringer bridge over Ewing Narrows on Mountain Road
Open to traffic

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

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

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

Galkana Bridge (Replacement) (Valdez-Cordova Census Area, Alaska)
Bridge
Open to traffic

Genesee River Bridge Hughes Street (Replacement) (Allegany County, New York)
Built 1974
Steel stringer bridge over Genesee River on Cr 26
Open to traffic

Gibraltar Road-Schuylkill River Bridge (Berks County, Pennsylvania)
Bridge
Open to traffic

Highway 32 Bridge (St. Francois County, Missouri)
Bridge over Branch Flat River on Highway 32
Open to traffic

I-24 Tennessee River 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

I-430 Arkansas River Bridge (Pulaski County, Arkansas)
Built 1974
Steel plate girder bridge over Arkansas River on Interstate 430
Open to traffic

I495 Christina River Bridge (New Castle County, Delaware)
Built 1974; rehabilitated 2006; Temporarily closed & pieres jacked 2014
Haunched deck plate girder bridge over Christina River, Norfolk Southern Railroad on I 495
Open to traffic

Judge J. Frank Graff Bridge (Armstrong County, Pennsylvania)
Built 1974
Warren deck truss bridge over Allegheny River on US 422/PA 28 (Ben Franklin Highway)
Open to traffic

Kennebec R Bridge (Somerset County, Maine)
Built 1974
Steel stringer bridge over Kennebec R on Rte 8, 43, 148, 201a
Open to traffic

KY 3221 over Hardins Creek (Marion County, Kentucky)
Built 1974
Concrete rigid frame bridge over Hardins Creek on KY-3221
Open to authorized vehicles only

Lake Creek Bridge (Park County, Wyoming)
Built 1974
Girder bridge over Lake Creek on Beartooth Highway
Open to traffic

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

New Madrid County Road 240 Bridge (New Madrid County, Missouri)
Built 1974
Steel stringer bridge over Drainage ditch on CR 240
Open to traffic

New Madrid County Road 630 Bridge (New Madrid County, Missouri)
Built 1974
Steel stringer bridge over Drainage ditch on CR 630
Open to traffic

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

NS - Rollins Street Overpass (Randolph County, Missouri)
Original bridge at this location built 1858; renewed1897; rebuilt 1921; rebuilt 1974
Steel stringer bridge over Rollins St. on N&W, now NS Railroad
Open to rail 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

Otego Bridge (Replacement) (Otsego County, New York)
Steel stringer bridge over MP562.78 DEL HUD, Susque on RTE 991J
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

Queen Isabella Causeway (Cameron County, Texas)
Built 1974; partially collapsed September 2001; reopened two months later
Girder bridge over Lagoon Madre on Route 100
Open to traffic

Randolph Bridge (Jefferson County, West Virginia)
Built 1974
Timber stringer bridge over Shenendoah Canal on Pedestrian trail
Open to pedestrians only

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 rigid frame 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

Slader Creek Bridge- Rt13c (Replacement) (Allegany County, New York)
Bridge
Open to traffic

Slattum - Hewett Suspension Footbridge (Ransom County, North Dakota)
Built 1974
Wire suspension bridge over Sheyenne River on pedestrian pathway
Open to pedestrians only

Soldier River Bridge (Monona County, Iowa)
Built 1974; rehabilitated 1993; replaced 2009
Lost pony truss bridge over Soldier River on 225th Street
Replaced by a new bridge

South Charleston Bridge (Kanawha County, West Virginia)
Built 1974; rehabilitated 2011
Deck plate girder bridge over Kanawha River on I-64 Westbound
Open to 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

Turkey Creek Bridge (Cass County, Iowa)
Built 1974
Pony truss bridge over Turkey Creek on Hamburg Rd 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

Whites Bridge (Rt209)-Wisconisco Creek Replacement (Dauphin County, Pennsylvania)
Bridge
Open to traffic

WV41 Overpass (Fayette County, West Virginia)
Built 1974; rehabilitated 1994
Steel stringer bridge over Csx Railroad on Wv 41
Open to traffic