Built 1971

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11th Street Viaduct (Minnehaha County, South Dakota)
Built 1971; rehabilitated 1986
Steel stringer bridge over 3rd Ave, Big Sioux R & RR on 11th Street in Sioux Falls
Open to traffic

Adolph Whitaker Road Bridge (Holmes County, Florida)
Built 1971; rehabilitated 2000
Bailey Truss bridge over Wrights Creek on Adolph Whitaker Road
Open to traffic

Arkansas Union Bridge (Washington County, Arkansas)
Built 1971
Concrete tee beam bridge over Over SH 873 (Garland Ave) in Fayetteville
Open to pedestrians above, bus traffic below

Atchafalaya Basin Bridge (St. Martin Parish, Louisiana)
Built 1971
Pair of 16+ mile bridges over the Atchafalaya Basin on I-10
Open to traffic

Atchafalaya River LA 1 Bridge (Avoyelles Parish, Louisiana)
Built 1971
Cantilevered Warren through truss bridge over Atchafalaya River on LA 1 at Simmesport in Simmesport
Open to traffic

Barge Basin PA 28 Bridge (Allegheny County, Pennsylvania)
Built 1971; rehabilitated 2004
Girder bridge over Barge Basin on PA 28
Open to traffic

Bayou Dulac LA 57 Bridge (Terrebonne Parish, Louisiana)
Built 1971
Swing bridge over Bayou Dulac on LA 57 in Dulac
Open to traffic

Bayou Teche LA 322 Bridge (St. Mary Parish, Louisiana)
Built 1971
Swing bridge over Bayou Teche on LA 322 in Franklin
Open to traffic

BE Service Road_Westchester Creek Bridge (Bronx County, New York)
Built 1971
Bridge over Westchester Creek on Be Service Road
Open to traffic

Bear Creek Bridge (Searcy County, Arkansas)
Built 1971
Wooden bridge over Bear Creek on CR 278
Open to one-lane traffic

Beloit Bridge (Lyon County, Iowa)
Built 1971 replacing a one-span pin-connected Pennsylvania through truss bridge built in 1897
Steel stringer bridge over Big Sioux River on Bridge Street (IA)/ 283rd Street (SD)
Open to traffic

Big Creek Ditch AR 349 Bridge (Craighead County, Arkansas)
Built 1971; replaced 2006
Lost pony truss bridge over Big Creek Ditch on AR 349
Replaced by new bridge

Bjarne Ness Memorial Suspension Footbridge (Ransom County, North Dakota)
Built 1971
Wire suspension footbridge over Sheyenne River on pedestrian pathway
Open to pedestrians only

BNSF - Snake River Bridge (Franklin County, Washington)
Built 1971
Vertical lift bridge over Snake River on Burlington Northern - Santa Fe Railroad
Open to traffic

Boca Ciega Bay Bridge (Old) (Pinellas County, Florida)
Built 1971; Replaced 2008-2010
Pair of bascule bridges over Johns Pass Boca Ciega Bay on FL 699 (Gulf Blvd.) in Madeira Beach
Replaced by a new bridge

Boone Pond Ditch Bridge (Stoddard County, Missouri)
Built 1971; replaced 2007
Lost wooden deck bridge over Boone Pond Ditch on CR 250
Replaced by new bridge

Boyer River Bridge (Crawford County, Iowa)
Built 1971
Pony truss bridge over Boyer River on Deloit Blvd/G Avenue
Open to traffic

Boyer River Bridge (Crawford County, Iowa)
Built 1971
Warren Pony truss bridge over Boyer River on 400th Street
Open to traffic

Branch Des Moines River Bridge (Van Buren County, Iowa)
Built 1971
Pony truss bridge over a branch of Des Moines River on 270th Street
Open to traffic

Brewster Bridge (Okanogan County, Washington)
Built 1971
Bridge over Columbia River
Open to traffic

Buckeye Creek Bridge (Jackson County, Ohio)
built 1971, rehabilitated 200
pony truss bridge over Buckeye Creek on CR 85 in Jackson
open to traffic

Caney River Bridge (Washington County, Oklahoma)
Built in 1971 to bypass the open-spandrel arch bridge right next to it
Stringer bridge over Caney River on SE Adams Blvd
Open to traffic

Castle Bridge (Ida County, Iowa)
Built 1971
Wire suspension bridge over Odebolt Creek on Pedestrian Pathway
Open to pedestrians only

Chippewa River Bridge (Chippewa County, Wisconsin)
Built 1971
Steel through arch bridge over Chippewa River on Bridge Street (WI 64) in Cornell
Open to traffic

College Street Bridge (4th) (Johnson County, Iowa)
Built 1971
Concrete rigid frame bridge over Ralston Creek & Parking Lot on College Street
Open to traffic

Cowee Creek Bridge (Juneau Borough, Alaska)
Built 1971
Stringer bridge over Cowee Creek on Glacier Highway
Open to traffic

CP - NY787 Overpass (Albany County, New York)
Built 1971
Abandoned pony/through plate girder bridge over NY 787 on Canadian Pacific Railroad
Abandoned

CSX - Hilton Drawbridge (New Hanover County, North Carolina)
Built 1971
Warren through truss bridge over Northeast Cape Fear River on CSX Railroad
Open to traffic

Dent Bridge (Clearwater County, Idaho)
Built 1971
Suspension bridge over North Fork Clearwater River on STC 4783
Open to traffic

Dibble Creek Bridge (Fayette County, Iowa)
Built 1971
Pony truss bridge over Dibble Creek on 306th Street
Open to traffic

East 102 River Bridge (Taylor County, Iowa)
Built 1971; rehabilitated 1990
Through truss bridge over East 102 River on 235th Street
Open to traffic

East Nishnabotna River Bridge (Audubon County, Iowa)
Built 1971
Pony truss bridge over E Nishnabotna River on 110th Street
Open to traffic

East Nishnabotna River Bridge (130th Street) (Audubon County, Iowa)
Built 1971
Pony truss bridge over East Nishnabotna River on 130th Street
Open to traffic

East Nishnabotna River Tributary Bridge (Audubon County, Iowa)
Built 1971
Timber stringer bridge over East Nishnabotna River on 140th Street
Open to traffic

Fred G. Redmon Bridge (Yakima County, Washington)
Built 1971
Concrete arch bridge over Selah Creek on I-82/US 97
Open to traffic

Gaysport Bridge (Muskingum County, Ohio)
Built 1971 by the Ohio Bridge Corp.; rehabilitated 1971
Pony truss bridge over Muskingum River on CR 66
Open to traffic

Grandad Bridge (Clearwater County, Idaho)
Built 1971
Deck truss bridge over North Fork Clearwater River on Grandad Bridge Road
Open to traffic

Harbor Drive Bridge (Sitka Borough, Alaska)
Built 1971
Cable-stayed bridge over Sitka Harbor on Harbor Drive in Sitka
Open to traffic

Henderson Road Bridge (Stephenson County, Illinois)
Built 1971; replaced 2004
Lost pony truss bridge over Cedar Creek on N. Henderson Road, 1.0 mi. east of Cedarville
No longer exists

Hog Tusk Creek Bridge (Lee County, Arkansas)
Built 1971; Replaced 2018
Lost Timber stringer bridge over Hog Tusk Creek on Sh 238
Replaced by a new bridge

Hurricane Gulch Bridge (Matanuska-Susitna Borough, Alaska)
Built 1971
Steel arch bridge over Hurricane Gulch on Parks Highway in Cantwell
Open to traffic

I & M Canal Price Street Bridge (Grundy County, Illinois)
Built 1971
Steel stringer bridge over I&M Canal on Price Street
Open to traffic, closed in winter

I 70 E. Stadium Drive Overpass (Jackson County, Missouri)
Built for/with Truman Sports Complex
Deck plate girder bridge over I-70
Open to traffic

I-5 - Nooksack River Bridge (Southbound) (Whatcom County, Washington)
Built 1971
Warren Through truss bridge over Nooksack River on I-5
Open to traffic

I-90 Bridge-Grey Road (Campbell County, Wyoming)
Built 1971
Concrete tee beam bridge over County Road 40 on I-90
Open to traffic

IAIS - Gilbert Street Overpass (Johnson County, Iowa)
Built 1971
Deck plate girder bridge over S Gilbert Street on Railroad (IAIS)
Open to traffic

IC/CN - Manchac Pass Bridge (Tangipahoa Parish, Louisiana)
Built 1971
Through truss bridge over Manchac Pass on Illinois Central/ Canadian National RR
Open to traffic

Indian Creek Bridge (Montgomery County, Iowa)
Built 1971
Pony truss bridge over Indian Creek on 160 Street
Open to traffic

Indian Creek Bridge (Jackson County, Indiana)
Built 1971
Arch bridge over Indian Creek on CR 550 North
Open to traffic

Koocanusa Reservoir Bridge (Lincoln County, Montana)
Built 1971
Deck truss bridge over Koocanusa Reservoir on Koocanusa Bridge
Open to traffic

Little Sioux River Bridge (Harrison County, Iowa)
Built 1971; rehabilitated 1986
Through truss bridge over Little Sioux River on 120th Street
Open to traffic

Mahoning Creek Bridge (Armstrong County, Pennsylvania)
Built 1971; rehabilitated 2012
Steel stringer bridge over Mahoning Creek on SR1025
Open to traffic

Martha Mitchell Expressway Pedestrian Bridge (Jefferson County, Arkansas)
Built 1971
Pedestrian arch bridge over Martha Mitchell Expressway (US 65B)
Open to pedestrians

MNA - Harry S. Truman Reservoir Bridge (Henry County, Missouri)
Built in 1971 with the formation of Harry S. Truman Reservoir bypassing the original line now removed/submerged
Deck girder bridge over Harry S. Truman Reservoir on Missouri and North Arkansas Railroad (former Missouri-Kansas-Texas Railroad)
Open to traffic

Montgomery Woods Bridge (Mendocino County, California)
Built 1971
Steel stringer bridge over South Fork Big River on Orr Springs Road
Open to traffic

Mopac Trail - US34 Overpass (Lancaster County, Nebraska)
Built 1971
Steel stringer bridge over US 34 on Mopac Trail
Open to pedestrians only

Noland Creek Bridge (Swain County, North Carolina)
Built 1971 as part of the planned "North Shore Road".
Concrete stringer bridge over Noland Creek on Lakeview Drive
Open to traffic

NS - Calumet River Bridge (Cook County, Illinois)
Built 1971
Warren through truss bridge over Calumet River on Norfolk Southern Railroad (former Nickel Plate Ry)
Open

Plaquemine Bayou LA 3066S Bridge (Iberville Parish, Louisiana)
Built 1971
Swing bridge over Plaquemine Bayou on LA 3066S at Indian Village
Open to traffic

Poplar Bridge Road Viaduct (Daviess County, Kentucky)
Concrete rigid frame bridge over Poplar Bridge Road on William H Natcher Pkwy
Open to traffic

Porter Road Bridge (Washington County, Arkansas)
Built 1971; Replaced 2015
Steel stringer bridge over Porter Road on I-49 / US 71 North Bound in Fayetteville
Replaced by a new bridge

River Road Overpass (Monongalia County, West Virginia)
Built 1971
Steel arch bridge over I-79 on CR 45
Open to traffic

RT B E over LOST CR BR (Lincoln County, Missouri)
Bridge over Branch Lost Creek on Route B E
Open to traffic

Sally's Bridge (Cabarrus County, North Carolina)
Built 1971
Steel stringer bridge over Clark Creek on SR1448
Open to traffic

Samoa Bridge (Humboldt County, California)
Built 1971
Steel stringer bridge over Humboldt Bay on CA255
Open to traffic

Second Street Black River Bridge ( Replacement) (Van Buren County, Michigan)
Bridge
Open to traffic

Skidaway Narrows Bridge (Chatham County, Georgia)
Built in 1971; replaced 2013
Pony/through plate girder bridge over Skidaway Narrows on US 80
Replaced by a new bridge

Smith Branch FLW 28 Bridge (Pulaski County, Missouri)
Built 1971
Pony truss bridge over Smith Branch on FLW Road 28 in Fort Leonard Wood
Open to military traffic

Spanish River Boulevard Bridge (Palm Beach County, Florida)
Built 1971
Pair of bascule bridges over Intracoastal Waterway on Spanish River Blvd. in Boca Raton
Open to traffic

Sugar Creek Bridge (Caddo County, Oklahoma)
Built 1971
Pony truss bridge over Sugar Creek on IRR 0816C
Open to traffic

Summer Creek Bridge (Van Buren County, Iowa)
Built 1971
Pony truss bridge over Summer Creek on Timber Road
Open to traffic

Tensas River Bridge (Catahoula Parish, Louisiana)
Built 1971
Vertical lift bridge over Tensas River on US 425 & LA 15 (Northbound) at Clayton
Open to traffic

Theresa Bridge (Replacement) (Dodge County, Wisconsin)
Built 1971
Bridge
Open to traffic

Trinity Road-Lick Creek Bridge (Defiance County, Ohio)
Built 1971
Pony truss bridge over Lick Creek on Trinity Road
Open to traffic

Uffington Bridge (Monongalia County, West Virginia)
Built 1971; rehabilitated 2004
Deck truss bridge over Monongahela River on I-79
Open to traffic

UN-L East Campus Bridge (Lancaster County, Nebraska)
Built 1971
Pratt pony truss bridge over Deadman's Run on North 38th Street in the UNL East Campus


University Drive Bridge (Broward County, Florida)
Built 1971
Slab bridge over canal


Unnamed Creek Bridge (Montgomery County, Iowa)
Built 1971
Pony truss bridge over Williams Creek on W Avenue
Open to traffic

UP - Annie Glidden Road Overpass (De Kalb County, Illinois)
Built 1971
Steel stringer bridge over Annie Glidden Road on UPRR (Former C&NW)
Open to traffic

UP - IA-2 Overpass (Wayne County, Iowa)
Pony/through plate girder bridge over Iowa 2 on Railroad
Open

UP - Snake River Bridge (Columbia County, Washington)
Built 1971
Polygonal Warren through truss with all verticals bridge over Snake River on Union Pacific Railroad
Open to traffic

UP - Stuck River Bridge (Pierce County, Washington)
Built 1971
Warren pony truss bridge over Stuck River on Railroad (UP)
Open to traffic

UP - US-65 NB Overpass (Cerro Gordo County, Iowa)
Pony/through plate girder bridge over US 65 on Railroad
Open to traffic

US 61 N Cuivre River Bridge (Lincoln County, Missouri)
Bridge over Cuivre River on US 61 N
Open to traffic

US 61 S Cuivre River Bridge (Lincoln County, Missouri)
Built 1971
Bridge over Cuivre River on US 61
Open to traffic

US 62 Bridge (Washington County, Arkansas)
Built 1971
Bridge west Martin Luther King Blvd (US 62) on I-49 NB in Fayetteville
Open to traffic

Van Dyke Road-Clinton River Bridge South (Replacement) (Macomb County, Michigan)
Bridge
Open to traffic

Vernon Fork Muscatatuck River Bridge (Jackson County, Indiana)
Built 1971
Arch bridge over Vernon Fork Muscatatuck River on CR 400 South
Open to traffic

West Branch 102 Bridge (Taylor County, Iowa)
Built 1971
Pony truss bridge over West Branch 102 on Granite Avenue
Open to traffic