Built 1975

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4th Street Ramp (Bowie County, Texas)
Built 1975
Ramp from Texas Viaduct NB to W 4th St
Open to one-lane traffic above and below

Atchafalaya River US 90 Bridge (St. Mary Parish, Louisiana)
Built 1975
Through truss bridge over Atchafalaya River on US 90 between Berwick and Morgan City
Open to traffic

Atsfrr & Sand Creek Bridge (Harvey County, Kansas)
Built 1975; demolished 2012-13
Lost Steel stringer bridge over Atsfrr & Sand Creek on Us 50 Hwy
No longer exists

Boynton Inlet Bridge (Palm Beach County, Florida)
Built 1975
Steel stringer bridge over Boynton Inlet on Sr A1a
Open to traffic

Branch Beaver Creek Bridge (St. Croix County, Wisconsin)
Built 1975
Steel arch bridge over Branch Beaver Creek on 100th Avenue
Open to traffic

Breton Creek Bridge (Washington County, Missouri)
Built 1975
Bridge over Breton Creek on Mine Street
Open to traffic

Bryant Bridge (Santa Rosa County, Florida)
Built 1975
Steel stringer bridge over Blackwater River on Bryant Bridge Road
Open to traffic

Buck Creek Bridge (Audubon County, Iowa)
Built 1975
Pony truss bridge over Buck Creek on 330th Street
Open to traffic

Cable Creek Road Bridge (Umatilla County, Oregon)
Built 1975
Kingpost pony truss bridge over Camas Creek on Cable Creek Road
Open to traffic

Canon Del Camino Bridge (Sandoval County, New Mexico)
Built 1975
Deck truss bridge over Canon Del Camino on CR S-35
Open to traffic

Chisholm Creek Bridge (Oklahoma County, Oklahoma)
Built 1975
Pony truss bridge over Chisholm Creek on N.W. 234th St. in Edmond
Open to traffic

Clarno Bridge (Wasco County, Oregon)
Built 1975
Steel through arch bridge over John Day River on OR 218
Open to traffic

CR 23 Bridge (McKinley County, New Mexico)
Built 1975
Pony truss bridge over Unnamed Waterway on CR 23
Open to traffic

CR 4 Bridge No. 3 (McKinley County, New Mexico)
Built 1975
Pony truss bridge over an unnamed waterway on CR 4
Open to traffic

CSAH 14 Bridge (Isanti County, Minnesota)
Built 1975; replacing a through truss bridge off alignment
Steel stringer bridge over Rum River on CSAH 14
Open to traffic

Estherwood Bridge (Acadia Parish, Louisiana)
Built 1975
Pontoon bridge over Bayou Plaquemine Brule on LA 91 at Estherwood
Open to traffic

Eugene A. Carter Memorial Bridge (Kanawha County, West Virginia)
Built 1975
Through truss bridge over Kanawha River on Interstate 64
Open to traffic

Fields Creek Overflow Bridge (Henry County, Missouri)
Built 1975
Steel stringer bridge over Fields Creek Overflow on Mo 7 N
Open to traffic

French Creek Road Bridge (Siskiyou County, California)
Built 1975
Subdivided Warren Pony truss bridge over North Fork French Creek on French Creek Road
Open to traffic

Funks Grove Rest Area Bridge (McLean County, Illinois)
Built 1975
Concrete tee beam bridge over I-55 ramps and E 550 North Road on I-55
Open to traffic above and below

Harvey Canal LA 18 Bridge (Jefferson Parish, Louisiana)
Built 1975
Bascule bridge over Harvey Canal on LA 18 in New Orleans
Open to traffic

Hickory Creek CR 516 Bridge (Audrain County, Missouri)
Built 1975; replaced 2008
Lost pony truss bridge over Hickory Creek on CR 516
Replaced by new bridge

Hunsecker's Mill Covered Bridge 38-36-06 #2 (Lancaster County, Pennsylvania)
Replaced original bridge after the flood of 1972
Burr arch-truss bridge over Conestoga Creek on SR1029
Open to traffic, Posted For Load, 3 Ton Weight Limit and 13 ft 3 inches maximum clearance.

I-55 Bridge (St. John the Baptist Parish, Louisiana)
Built 1975
Stringer bridge over I-10 & US-51 & Swamp on I-55
Open to traffic

Kayak Road Bridge (Linn County, Missouri)
Built 1975
Pony truss bridge over East Yellow Creek on Kayak Road
Open to traffic

Mark N. Norris Bridge (Whiteside County, Illinois)
Built 1975
Through truss bridge over the Mississippi River on IL 136/IA 136 between Fulton and Clinton
Open to traffic

Matanzas River Bridge (St. Johns County, Florida)
Built 1975
Bascule bridge over Matanzas River Iww on FL 206
Open to traffic

New Madrid County Road 405 Bridge (New Madrid County, Missouri)
Built 1975; rehabilitated 1980
Wooden deck bridge over Drain Dtch on CR 405 near the end of Route AB
Open to traffic

New Madrid County Road 613 Bridge (New Madrid County, Missouri)
Built 1975; rehabilitated 1994
Wooden deck bridge over a drainage ditch on CR 613
Open to traffic

New Madrid County Road 740 Bridge (New Madrid County, Missouri)
Built 1975
Wooden deck bridge over a drainage ditch on CR 740
Open to traffic

New Madrid County Road 808 Bridge (New Madrid County, Missouri)
Built 1975; rehabilitated 1986
Wooden deck bridge over St. Johns Drainage Ditch on CR 808
Open to traffic

New Madrid County Road 824 Bridge (New Madrid County, Missouri)
Built 1975
Wooden deck bridge over Otter Slough Ditch on CR 824
Open to traffic

Opossum Creek CR 501 Bridge (Bollinger County, Missouri)
Built 1975
Wooden deck bridge over Opossum Creek on CR 501
Open to traffic

Otter Slough CR 630 Bridge (New Madrid County, Missouri)
Built 1975
Wooden deck bridge over Otter Slough Ditch on CR 630
Open to traffic

P.N.W.R. - Willamette River Bridge (Clackamas County, Oregon)
Built 1975
Warren through truss with all verticals bridge over Willamette River on Portland and Western Railroad (P.N.W.R.) in Wilsonville
Open to traffic

Pequonnock River Bridge (Fairfield County, Connecticut)
Built 1975
Vertical lift bridge over Pequonnock River on CT 130 in Bridgeport
Open to traffic

Peyton Bridge (Jackson County, Oregon)
Built 1975
Continuous Warren deck truss bridge over Rogue River on OR 62
Open to traffic

Roaring Creek Bridge (Grady County, Oklahoma)
Built 1975
Pony truss bridge over Roaring Creek on N2940
Open to traffic

Salford Station Rd Bridge (Montgomery County, Pennsylvania)
Built in 1975 over the Reading Railroad
Timber stringer bridge over Perkiomen Trail/Former Reading Railroad on Salford Station Rd
Closed to all traffic

Salt Creek Road Bridge (Del Norte County, California)
Built 1975
Pony truss bridge over Salt Creek on Salt Creek Road in Klamath
Open to traffic

Seboyeta Creek Bridge (Cibola County, New Mexico)
Built 1975
Deck truss bridge over Seboyeta Creek on CR 1
Open to traffic

Senator Ted Hickey Bridge (Orleans Parish, Louisiana)
Built 1975
Bascule bridge over the Inner Harbor Navigation Canal on Lakeshore Drive in New Orleans
Open to traffic

Shade-Lohman Bridge (Peoria County, Illinois)
Built 1975
Pair of cantilevered through truss bridges over the Illinois River on I-474 south of Peoria in Bartonville
Open to four lanes of traffic

Sixth Street Bridge (Minnehaha County, South Dakota)
Built 1975
Bridge over Big Sioux Rv on Sixth Street E of Phillips Ave. in Sioux Falls
Open to traffic

Sr 563 (Sikes Blvd) Bridge (Polk County, Florida)
Built 1975
Steel stringer bridge over Sr 563 (Sikes Blvd) on CSX Railroad

Tarkio River CR 394 Bridge (Atchison County, Missouri)
Built 1975
Pony truss bridge over Tarkio River on CR 394
Open to traffic

Winchester Bridge (Adams County, Ohio)
Built 1975
Deck girder bridge over Elk Fork on Norfolk & Southern Railroad

Wisconsin Avenue Bridge (Milwaukee County, Wisconsin)
Built 1975
Vertical lift bridge over Milwaukee River on Wisconsin Avenue in Milwaukee
Open to traffic

Wolf Creek Bridge (Comanche County, Oklahoma)
Built 1975
Pony truss bridge over Wolf Creek on S.W. Sheridan Rd. in Lawton
Open to traffic

Woodbridge Drive Bridge (Lewis and Clark County, Montana)
Built 1975
Wooden arch bridge over Sep Gully on Woodbridge Drive in Helena
Open to traffic