Built 1970

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Albert Lea Lake Interstate Bridge (Freeborn County, Minnesota)
Built 1970
Stringer bridge over Albert Lea Lake on I 35
Open to traffic

Bailwick Road Bridge (Fairfield County, Connecticut)
Built 1970
Concrete arch bridge over Byram River on Bailwick Road in Greenwich
Open to traffic

Bakers Creek Bridge (Pope County, Arkansas)
Built 1970
Lost Pony truss bridge over Bakers Creek on AR-7
Replaced by a new bridge

Barton Bridge (Clackamas County, Oregon)
Built 1970
Steel tied arch bridge over Clackamas River on Bakers Ferry Road
Open to traffic

Big Shoal Creek Bridge (Logan County, Arkansas)
Built 1970
Beam bridge over Big Shoal Creek on CR 125
Open to traffic

BNSF - Flathead Tunnel (Lincoln County, Montana)
Built 1970
Tunnel on BNSF Kootenai River Subdivision
Open to traffic

Bogue Chitto River Bridge (Washington Parish, Louisiana)
Built 1970
Steel stringer bridge over Bogue Chitto River on LA-437
Open to traffic

Bridge over Incline (Hamilton County, Tennessee)
Built 1970
Beam bridge over Lookout Mountain Incline Railway on Lookout Mountain Scenic Hwy. / Tenn. 148
Open to traffic

Campus Drive Bridge (Racine County, Wisconsin)
Built 1970
Concrete arch bridge over Wind Point Creek on Campus Drive in Wind Point
Open to traffic

Caney Creek Bridge (Little River County, Arkansas)
Built 1970
Bridge over Caney Creek on AR 41
Open to traffic

Caney Creek Relief Bridge (Little River County, Arkansas)
Built 1970
Bridge over Caney Creek Relief on Sh 41 Sec. 02
Open to traffic

Clear Creek Bridge (Cattaraugus County, New York)
Built 1970
Pony truss bridge over Clear Creek on Bray Road
Open to traffic

Confederate Avenue Bridge (Warren County, Mississippi)
Built 1970
Beam bridge over Jackson Road And Stream on Confederate Avenue
Open to traffic

CR71 Bridge (Tishomingo County, Mississippi)
Built 1970
Lost Timber stringer bridge over Redmont Railroad on Cr71
Demolished c. 2013 and replaced with grade crossing

Crooked Creek Bridge 1 (Lincoln County, Missouri)
Bridge over Crooked Creek on US 61 S
Open to traffic

Dibble Hill Road Bridge (Litchfield County, Connecticut)
Built 1970
Steel arch bridge over Mill Brook on Dibble Hill Road in Cornwall
Open to traffic

Dr. Martin Luther King Jr Memorial Bridge (Jefferson County, Texas)
Built 1970
Through truss bridge over Intracoastal Waterway on TX 82 in Port Arthur
Open to traffic

Drainage ditch #18 bridge (Humboldt County, Iowa)
Built 1970
Bridge over drainage ditch #18 on 130th Street (Humboldt CR C20)
Open to traffic

Drywood Creek Bridge (Vernon County, Missouri)
Built 1970; rehabilitated 1984
Girder bridge over Drywood Creek on CR 695 (Yater Road)
Open to traffic

Durnam Road Bridge (Gallatin County, Montana)
Built 1970
Pony truss bridge over Gallatin River on Durnam Road
Open to traffic

East Cherry Street Bridge (Lincoln County, Missouri)
Bridge over US Hwy 61 on East Cherry Street
Open to traffic

East Portage Avenue Bridge (Chippewa County, Michigan)
Built 1970; rehabilitated 1988
Steel through arch bridge over Power Canal on East Portage Ave. in Sault Ste. Marie
Open to traffic

East Valley Road Over East Valley Creek At Fischer RD (Allegany County, New York)
Bridge
Open to traffic

Feathers Creek Bridge (Allegany County, New York)
Bridge
Open to traffic

Fink Creek Foot Bridge (Gilmer County, West Virginia)
Built 1970
Suspension bridge over Fink Creek
Open to pedestrians only

Giles Road Bridge (Sarpy County, Nebraska)
Built 1970
Pony truss bridge over an unnamed stream on Giles Road, 2 mi. north and 2.6 mi. east of Gretna
Open to traffic

Grant Street Viaduct (Ketchikan Gateway Borough, Alaska)
Built 1970
Timber stringer bridge over valley on Grant Street
Open to traffic

Handzus Bridge (Jackson County, Minnesota)
Built 1970
Slab bridge over N Fork Little Sioux River on Twp 29
Open to traffic

Hoquiam River Bridge (Grays Harbor County, Washington)
Built 1970
Vertical lift bridge over Hoquiam River on US 101 in Hoquiam
Open to traffic

Horizon Trail Bridge (Adair County, Missouri)
Built 1970; rehabilitated 2002
Timber stringer bridge over Goose Creek on Horizon Trail
Open to traffic

I-10 East Pearl River Bridge (St. Tammany Parish, Louisiana)
Built 1970
Girder bridge over East Pearl River on I-10
Open to traffic

I-90 Bridge-Skyline Drive (Campbell County, Wyoming)
Built 1970
Concrete tee beam bridge over Wyo 50 on I-90
Open to traffic

I280 Bridge (Scott County, Iowa)
Built 1970
Steel through arch bridge over Mississippi River on I-280 in Davenport
Open to traffic

Intracoastal Waterway Bridge (Indian River County, Florida)
Built 1970
Stringer bridge over Intracoastal Waterway on Sr-510(Wabasso Rd)
Open to traffic

Junction Bridge (Pulaski County, Arkansas)
Built 1884; Superstructure (and possibly substructure) replaced in 1970.
Vertical-lift through truss bridge over the Arkansas River on the former Union Pacific Railroad in Little Rock
Rehabilitation complete open to pedestrians as of 05-17-08

Leeville Bridge (Lafourche Parish, Louisiana)
Built 1970; Replaced by new bridge in 2010
Lost vertical lift bridge over Bayou Lafourche on LA 1 at Leeville
Replaced by new bridge

Little Pond Creek Bridge (Jackson County, West Virginia)
Built 1970
Deck truss bridge over Little Pond Creek on CR 2/2
Open to traffic

Live Oak Canyon Road Bridge (San Bernardino County, California)
Built 1970
Warren Deck truss bridge over Live Oak Creek on Live Oak Cyn Road in Redlands
Open to traffic

Markley Ranch Road Bridge (Gallatin County, Montana)
Built 1970
Pony truss bridge over Gallatin River on Markley Ranch Road
Open to traffic

Miller Branch Bridge (Saunders County, Nebraska)
Built 1970
Pony truss bridge over Miller Branch on a township road, 2.4 mi. east and 3 mi. south of Weston
Open to traffic

Mineral Creek Bridge (Valdez-Cordova Census Area, Alaska)
Built 1970
Bailey pony truss bridge over Mineral Creek on Mineral Creek Road
Open to traffic

Moore Creek Bridge (Washington County, Arkansas)
Built 1970, Destroyed by flooding 2011
Lost Culvert bridge over Moore Creek on CR 33 (Wedington Blacktop Rd)
Destroyed by flood

Moss Brook Street Over Van Campen Creek (Allegany County, New York)
Bridge
Open to traffic

Nalley Valley Viaduct (Pierce County, Washington)
Built 1970; replaced 2011
Lost Concrete tee beam bridge over Nalley Valley Viaduct on WA 16
Replaced by new bridge

Nenana River Bridge (Denali Borough, Alaska)
Built 1970
Deck truss bridge over Nenana River At Moody on Parks Highway
Open to traffic

North Fork Skykomish River Bridge (Snohomish County, Washington)
Built 1970
Steel stringer bridge over North Fork Skykomish River on Index-Galena Road
Open to traffic

NS - Goodwins Chapel Road Overpass (Mercer County, West Virginia)
Built 1970
Pony/through plate girder bridge over Goodwins Chapel Road/East River on Railroad
Open to traffic

Old Cap Au Gris Road Bridge (Lincoln County, Missouri)
Bridge over US Hwy 61 on Old Cap Au Gris Road
Open to traffic

Old Latrobe Road Bridge (El Dorado County, California)
Built 1970; bypassed and converted to path 2012.
Slab bridge over Carson Creek on old alignment of Latrobe Road (now pathway)
Open to pedestrians only

Osage River MO 7 New Bridge (Benton County, Missouri)
Bridge on Mo Highway 7
Open to traffic

Otoe Creek Bridge (Saunders County, Nebraska)
Built 1970
Pony truss bridge over Otoe Creek on a county road, .5 mi. south and 2 mi. west of Leshara
Open to traffic

P59 Bridge (Humboldt County, Iowa)
Built 1970
Bridge over Drainage ditch on Penn Avenue (Humboldt CR P59)
Open to traffic

Park Entrance Road Bridge (San Juan County, Washington)
Built 1970
Concrete arch bridge over Paul Creek on Park Entrance Road at Moran State Park
Open to traffic

Pr 127 Bridge (Guayanilla, Puerto Rico)
Built 1970
Concrete tee beam bridge over Pr 2 on Pr 127
Open to traffic

Ray Hill Road Bridge (Allegany County, New York)
Bridge
Open to traffic

Rayner Road Bridge (Holmes County, Mississippi)
Built 1970
Steel stringer bridge over Black Creek on Rayner Road
Open to traffic

Red Mill Covered Bridge 49-69-01 (Waupaca County, Wisconsin)
Built 1970
Town lattice truss bridge over Crystal River on Private Drive
Open to private traffic

RI - Millrace Bridge (W) (Black Hawk County, Iowa)
Lost 1970
Lost Deck plate girder bridge over Millrace on Chicago, Rock Island & Pacific Railroad
Filled in

Road Atlanta Ingress Bridge (Hall County, Georgia)
Raceway built in 1970
Steel stringer bridge over Road Atlanta Raceway on Ingress Road
Open to traffic

Road Atlanta Ingress Tunnel (Hall County, Georgia)
Raceway built in 1970
Tunnel under Road Atlanta Raceway on Road Atlanta Raceway Ingress Road
Open to traffic

Rutledge Overpass (Wapello County, Iowa)
Built 1970
Timber stringer bridge over Over Iowa Chicago and Eastern Railroad Single Line on 120th Street (local traffic)
Open to traffic

S.H. 9 Bridge (Haskell County, Oklahoma)
Built 1970
Steel stringer bridge over S.H. 9 on T. & P. R.R.
Open to pedestrains & bike traffic

Sand Arroyo Bridge (Baca County, Colorado)
Built 1970
Concrete tee beam bridge over Sand Arroyo on CR 44
Open to traffic

Sandy Creek Bridge #1 (Lincoln County, Missouri)
Bridge over Sandy Creek on Route Z
Open to traffic

Sandy Creek Bridge #2 (Lincoln County, Missouri)
Built 1970
Steel stringer bridge over Sandy Creek on Route Z
Open to traffic

Silver Bridge (Coconino County, Arizona)
Wire suspension bridge over Colorado River on pedestrian / pack trail


Silver Creek Bridge (Madison County, Illinois)
Bridge over Silver Creek on Lebanon Road (County 32)
Open to traffic

South Branch Papillion Creek Bridge (Sarpy County, Nebraska)
Built 1970
Through truss bridge over South Branch Papillion Creek on 168th Street, 3 mi. east and 3.2 mi. north of Gretna
Open to traffic

South Hampton Road Bridg (Daviess County, Kentucky)
Concrete stringer bridge over Burnett Fork on South Hampton Road
Open to traffic

Stewart Point Rd Hillside bridge (Sonoma County, California)
Built 1970, replaced 2010
Timber stringer bridge over Hillside on Stewart Point Road
Replaced, new structure is open to traffic

Stoddard County Road 772 Bridge No. 1 (Stoddard County, Missouri)
Built 1970
Wooden deck bridge over Ditch No. 4 on CR 772
Open to traffic

Sulphur Creek Bridge (Lincoln County, Missouri)
Bridge over Sulphur Creek on Hwy Z
Open to traffic

Tick Creek Bridge (Alcorn County, Mississippi)
Built 1970
Steel stringer bridge over Tick Creek on 400
Open to traffic

Tonquin Bridge (Grays Harbor County, Washington)
Built 1970
Timber stringer bridge over Lake Minard on Tonquin Avenue
Closed to all traffic

Tunnel Hill Road Bridge (Giles County, Tennessee)
Bridge over CSX Ralroad on Tunnel Hill Rd
Intact but closed to all traffic

Unnamed Stream Bridge (Cedar County, Nebraska)
Built 1970
Pony truss bridge over an unnamed stream on a county road, 7 mi. south and 1 mi. west of Obert
Open to traffic

UP - Old Galveston Road Overpass (Harris County, Texas)
Built 1970
Steel Stringer bridge over Old Galveston Road on Railroad
Open to traffic

UP - US77 Overpass (Refugio County, Texas)
Pony/through plate girder bridge over US 77 on Union Pacific Railroad
Open to traffic

US 41/45 Pedestrian/Bicycle Overpass (Waukesha County, Wisconsin)
Built 1970; First Cable-stayed bridge built in the United States
Cable-stayed bridge over US 41-US 45 on Water St. in Menomonee Falls
Open to pedestrians/bicycles

Vanport Bridge (Beaver County, Pennsylvania)
Built 1970; rehabilitated 1985
Through truss bridge over the Ohio River on the Beaver Valley Expressway
Open to traffic

Verdigris River Bridge (Rogers County, Oklahoma)
Built 1970
Deck plate girder bridge over Verdigris River on US 412
Open to traffic

West Fork Pryor Creek Bridge (Vernon County, Missouri)
Built 1970
Steel stringer bridge over West Fork Pryor Creek on CR 104 (Arnold Road)
Open to traffic

West Pearl River Bridge (St. Tammany Parish, Louisiana)
Built 1970
Pair of steel stringer bridges over West Pearl River on I-10
Open to traffic

West Portage Avenue Bridge (Chippewa County, Michigan)
Built 1970
Steel arch bridge over Edison Power House Canal on West Portage Avenue
Open to traffic