Built 1977

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B&O Abandoned Marble Hill Line (Scott County, Indiana)
Built for the Marble Hill Nuclear Plant in 1977 abandoned in 1984 when the Plant was scrapped
Abandoned concrete stringer bridge over West Fork Fourteenmile Creek and Concord Road on Abandoned Marble Hill Line
Derelict/abandoned

Back Creek Bridge (Monroe County, West Virginia)
Built 1977
Metal arch bridge over Back Creek on CR 23/5
Open to traffic

Bay Road Bridge (Pope County, Illinois)
Built or relocated here in 1977; replaced 2007
Lost pony truss bridge over Bay Creek on Bay Road (TR 137), 2.5 mi. west of Homberg
Replaced by a new bridge

Bayou Lafourche Bridge (Assumption Parish, Louisiana)
Built 1977
Stringer bridge over Bayou Lafourche on LA 70 Spur
Open to traffic

Benton MacKaye Trail Toccoa River Bridge (Fannin County, Georgia)
Built 1977
Wire suspension bridge over Toccoa River on Benton MacKaye Train
Open to pedestrians

Beulah Land Road-Pine Creek Bridge (Replacement) (Lycoming County, Pennsylvania)
Built 1977
Steel stringer bridge over Pine Creek on T-762 (Cty Br 101)
Open to traffic

Big Mac Bridge (Hamilton County, Ohio)
Constructed started 1971; opened to limited traffic 1977; dedicated 1981; entire I-471 project completed 1985
Pair of tied-arch bridges over the Ohio River on I-471 in Cincinnati
Open to eight total lanes of traffic

Big Spring Bridge (Carter County, Missouri)
Built 1977; demolished 2019
Lost wooden bridge over Spring Branch on Pea Vine Road beyond the end of MO 103 at Big Spring
Replaced by a new bridge

Blind River Bridge (St. James Parish, Louisiana)
Built 1977
Slab bridge over Blind River on US-61 NB
Open to traffic

BNSF - Tunnel 1.5 (Skamania County, Washington)
Built 1977
Tunnel on BNSF
Open to traffic

BSNF - Rulo Bridge (Richardson County, Nebraska)
Built 1887; truss sections replaced with new trusses in 1977 but retaining original piers
Warren through truss bridge over Missouri River on BNSF Railroad in Rulo
Open to traffic

Bunker Hill Road Bridge (Jones County, Iowa)
Built 1977
Pony truss bridge over Bears Creek on Bunker Hill Road
Open to traffic; Doomed

Caddo Creek Bridge (Carter County, Oklahoma)
Built 1977; replaced 2015
Lost pony truss bridge over Caddo Creek on N3190
Replaced by a new bridge

Carroll Lee Cropper Bridge (Dearborn County, Indiana)
Built 1977
Steel through arch bridge over Ohio River on I-275
Open to traffic

Cottonwood River Bridge (Replacement) (Chase County, Kansas)
Built 1977
Steel stringer bridge over Cottonwood River on X-10.2 Minor Col
Open to traffic

CR 4 Bridge No. 1 (McKinley County, New Mexico)
Built 1977
Pony truss bridge over Big House Canyon on CR 4
Open to traffic

Crooked Creek Bridge (Cass County, Iowa)
Built 1977
Pony truss bridge over Crooked Creek on Crooked Creek Road
Open to traffic

East Nodaway River Bridge (Adams County, Iowa)
Built or relocated here 1977
Pony truss bridge over East Nodaway River on 190th Street
Open to traffic

East River Bridge (Taylor County, Iowa)
Built 1977
Pony truss bridge over East River on 160th Street
Open to traffic

Ellender Bridge (Calcasieu Parish, Louisiana)
Built 1977
Vertical lift bridge over the Intracoastal Waterway on LA 27
Open to traffic

First Street-Blackhawk Creek Bridge (Replacement) (Grundy County, Iowa)
Built 1977
Slab bridge over Blackhawk Creek on First Street
Open to traffic

Grass Run Bridge (Wyandot County, Ohio)
Built 1977
Beam bridge over Grass Run on Co Hwy 62
Open to traffic

H.L. Spurlock Power Plant Bridge (Mason County, Kentucky)
Built 1977 as a railroad bridge, converted to road use in 1997
Deck plate girder bridge over Lawrence Creek on Power Plant Road
Open to traffic

Hackberry Bridge (Cameron Parish, Louisiana)
Built 1977
Swing bridge over Kelso Bayou on LA 27 at Hackberry
Open to traffic

Harms Road Bridge (Klickitat County, Washington)
Built 1977, Replaced 2009
Lost pony truss bridge over Swale Creek on Harms Road
Replaced by a pre-cast girder bridge in 2009

Hi Carpenter Memorial Bridge (Pleasants County, West Virginia)
Built 1977.
Cantilevered through truss bridge over Ohio River on WV 807/OH 807 at St. Marys
Open to traffic

Hoadley Hill Road-Occanum Creek Bridge (Replacement) (Broome County, New York)
Built 1977
Culvert bridge over Occanum Creek on Hoadley Hill Road
Open to traffic

I-77 (NB) Coon Ridge Road Bridge (Carroll County, Virginia)
Built 1977
Concrete rigid frame bridge over I-77 (NB) on Coon Ridge Rd
Open to traffic

I-77 (SB) Coon Ridge Road Bridge (Carroll County, Virginia)
Built 1977
Concrete rigid frame bridge over I-77 (SB) on Coon Ridge Rd
Open to traffic

I-77 Colson Church Road Bridge (NB) (Carroll County, Virginia)
Built 1977
Steel rigid frame bridge over I-77 on Colson Church Rd
Open to traffic

I-77 Colson Church Road Bridge (SB) (Carroll County, Virginia)
Built 1977
Steel rigid frame bridge over I-77 on Colson Church Rd (SB)
Open to traffic

Indiana Avenue Bridge (Cook County, Illinois)
Built 1977
Through truss bridge over Little Calumet River on Indiana Avenue in Chicago
Open to traffic

James Street-Susquehanna River Bridge (Replcement) (Bradford County, Pennsylvania)
Bridge
Open to traffic

Jennings Randolph Memorial Bridge (Hancock County, West Virginia)
Built 1977
Through truss bridge over the Ohio River on US 30
Open to traffic

LA315 Intracoastal Waterway Bridge (Terrebonne Parish, Louisiana)
Built 1977
Bascule bridge over the Intracoastal Waterway on LA 315 in Houma
Open to traffic

Meridian Bridge (Sutter County, California)
Built 1977
Cable-stayed swing bridge over Sacramento River on CA 20 at Meridian
Open to traffic

Middle Lick Creek CR 472 Bridge (Audrain County, Missouri)
Built 1977; replaced 2005
Lost pony truss bridge over Middle Lick Creek on CR 472
No longer exists

New Madrid County Road 352 Bridge (New Madrid County, Missouri)
Built 1977
Lost steel stringer bridge over Drainage ditch on CR 352
Removed but not replaced

New River Gorge Bridge (Fayette County, West Virginia)
Opened on October 22, 1977
Massive steel arch bridge over New River on US 19 east of Fayette
Open to traffic

Nishnabotna River Bridge (Audubon County, Iowa)
Built or relocated 1977
Pony truss bridge over Nishnabotna River on Lark Avenue
Open to traffic

North Fork Salt River Bridge (Monroe County, Missouri)
Built 1977
Steel stringer bridge over North Fork Salt River on Mo 107
Open to traffic

Nose Rock Wash Bridge (McKinley County, New Mexico)
Built 1977
Pony truss bridge over Nose Rock Wash on CR 43
Open to traffic

NS - N Westgate Avenue Overpass (Morgan County, Illinois)
Built 1977
Pony/through plate girder bridge over N Westgate Avenue on Norfolk Southern Railway
Open to traffic

NS RR (North)Baker St. Bridge (Steuben County, New York)
Built 1977
Girder bridge over Baker St. on Norfolk Southern
Unknown status

Odd Fellows Park Road (Sonoma County, California)
Built 1977; rehabilitated 2008
Steel stringer bridge over Russian River on Odd Fellows Park Road
Open to traffic

Panizer Road Bridge (Jefferson County, Illinois)
Built 1977; Collapsed 9/5/13
Lost beam bridge over Rayse Creek on CH 15 (Panzier Road) Road
Collapsed 9/5/13

Paradise Creek Bridge (Crawford County, Iowa)
Built 1977; rehabilitated 1993
Pony truss bridge over Paradise Creek on N Avenue
Open to traffic

Patuxent River & Town Creek Bridge (Calvert County, Maryland)
Built 1977
Stringer bridge over Patuxent River & Town Creek on Md 4
Open to traffic

Pleasant Hill Rd Kishwaukee River Bridge (De Kalb County, Illinois)
Built 1977
Beam bridge over S Br Kishwaukee Rv on Pleasant Hill Road
Open to traffic

Purdy Road-Cold Creek Bridge (Old) (Allegany County, New York)
Built 1977
Steel stringer bridge over Cold Creek on Purdy Road
Open to traffic

Rose Creek Bridge (Cass County, Iowa)
Built 1977
Pony truss bridge over Rose Creek on 620th Street
Open to traffic

Route 3-St Maries River Bridge (Replacement) (Benewah County, Idaho)
Built 1977
Stringer bridge over St Maries River on Sh 3
Open to traffic

Sally Young Bridge (Hawkins County, Tennessee)
Built 1977
Steel stringer bridge over Southern Railway on Sally Young Road
Open to traffic

Schlenker Road Bridge (Union County, Illinois)
Built 1977
Steel stringer bridge over Bradshaw Creek on Schlenker Road (TR 99)
Open to traffic

Scotts Ford Bridge (Crawford County, Missouri)
Built 1977
Low-water bridge over Meramec River on Thurman Lake Road
Open to traffic

Second Clark Lane Bridge (Union County, Illinois)
Built 1977
Wooden deck bridge over a branch of Dutch Creek on Clark Lane (TR 72)
Open to one-lane traffic with a 7 ton weight limit

Shoshone River Bridge (Big Horn County, Wyoming)
Built 1977; rehabilitated 2011
Steel stringer bridge over Shoshone River on Road 5
Open to traffic

South Branch Rock Creek Bridge (Somerset County, Maryland)
Built 1977
Wooden bridge over South Branch Rock Creek on MD 363
Open to traffic

South Fork Salt River Bridge (Monroe County, Missouri)
Built 1977
Steel stringer bridge over South Fork Salt River on Mo 107
Open to traffic

SR 222-Penn Ave NSRR Bridge (Berks County, Pennsylvania)
Built 1977
Steel stringer bridge over Sr 3422,Sr 8028,Norfksou on Sr 222
Open to traffic

Summer Crossing Bridge (Sonoma County, California)
Built 1977, seasonal, removed in winter.
Steel stringer bridge over Russian River on Vacation Beach Road
Open to traffic

Tolt River Bridge (King County, Washington)
Built 1977
Through truss bridge over Tolt River on WA 203 in Carnation
Open to traffic

Tony Creek Bridge (Comanche County, Oklahoma)
Built 1977
Pony truss bridge over Tony Creek on Tony Creek Rd. (N2620 Rd.)
Open to traffic

Troublesome Creek Bridge (Cass County, Iowa)
Built 1977
Pony truss bridge over Troublesome Creek on 640th Creek
Open to traffic

UP - 84th Street Overpass (Douglas County, Nebraska)
Built 1977 Replacing a narrow arch
Deck Girder Bridge over 84th Street on Union Pacific Railroad
Open to traffic

UP - Iowa River Crossing (Hardin County, Iowa)
Built 1977
Girder bridge over Iowa River on Union Pacific Railroad
Open to traffic

Wagner Road Bridge2 (Ogle County, Illinois)
Built 1977
Beam bridge over Branch Mud Creek on Wagner Road
Open to traffic

West Nodaway River Bridge (Cass County, Iowa)
Built 1977
Pony truss bridge over West Nodaway River on 710th Avenue
Open to traffic

Westover Bridge (Replacement) (Monongalia County, West Virginia)
Girder bridge carrying US 19 over Monongahela River
Open to traffic

Wills Creek Bridge (Allegany County, Maryland)
Built 1977; rehabilitated 1998
Pony truss bridge over Wills Creek on Forest Grove Road
Open to traffic