Agoura Road Bridge over Medea Creek (Los Angeles County, California)
Built 1920; rehabilitated 1926
Concrete arch bridge over Medea Creek on Agoura Road in Agoura Hills
Open to traffic

Branch Maria Creek Bridge (Sullivan County, Indiana)
Built 1920
Arch bridge over Branch of Maria Creek on S. County Line Road
Open to traffic

Bridge of the Hidalgos (Santa Fe County, New Mexico)
Built 1920 by the Midland Bridge Co.
Rainbow arch bridge over Arroyo De Las Mascaras on Grant Street in Santa Fe
Open to traffic

Central Drive Bridge (New York County, New York)
Built 1920
Stone arch bridge over 65th Street Transverse Road on Center Drive in Central Park
Open to traffic

Cumberland Road Bridge (Cumberland County, Illinois)
Built 1920
Concrete girder bridge over Embarras R Overflow on Sbi 11 A
Open to traffic

East Drive Bridge (New York County, New York)
Built 1920
Stone arch bridge over 97th Street Transverse Road on East Drive in Central Park
Open to traffic

East Drive Bridge (New York County, New York)
Built 1920
Stone arch bridge over 79th Street Transverse Road on East Drive in Central Park
Open to traffic

First Avenue Bridge (Linn County, Iowa)
Built 1920; reconstructed 1964
Open-spandrel arch bridge over Cedar River on First Avenue (Business US 151/IA 922) in Cedar Rapids
Open to traffic

Fulton 2nd Street Bridge (Callaway County, Missouri)
Built 1920; rehabilitated 1979
Concrete arch bridge over Stinson Creek on East 2nd Street at Market Street in Fulton
Open to traffic

Galla Creek Bridge (Pope County, Arkansas)
Built 1920; made obsolete by a new US 64 alignment in 1936; replaced 1998
Lost through truss bridge over Galla Creek on Old US 64 at Pottsville
Replaced by a new bridge

Honey Creek Bridge (Macoupin County, Illinois)
Built 1920
Concrete bridge over Honey Creek on Old IL 4 (at one time US 66) between Carlinville and Gillespie, 5.8 mi. south of Carlinville
Open to traffic

Howard Ford Bridge (Christian County, Missouri)
Built 1920-21 by the Pioneer Construction Co. of Kansas City; replaced 1990
Lost through truss over James River on Blue Springs Road (CR 143) northwest of Nixa in Springfield
Replaced by new concrete bridge

ICG Railroad Bridge (Lauderdale County, Mississippi)
Built 1920
Bridge over ICG Railroad on Old Hwy 80 West
Open to traffic

Linn Creek Intersection Bridge (Marshall County, Iowa)
Built 1920; rehabilitated 1976
Bridge over Linn Creek on Intersection of 200th Street and Durham Avenue
Open to traffic

Michigan Avenue Bridge (Cook County, Illinois)
Built 1920
Bascule bridge over Main Branch Chicago River on Michigan Avenue in Chicago
Open to traffic

Mosby Creek Covered Bridge (Lane County, Oregon)
Built in 1920. Oldest covered bridge in Lane County. Restored in 1990.
Howe through truss bridge on Mosby Creek Road
Open to traffic

Mosier Creek Bridge (Wasco County, Oregon)
Built 1920
Concrete arch bridge over Mosier Creek on HWY 100 in Mosier
Open to traffic

Mosier Tunnel (Wasco County, Oregon)
Built 1920, Closed due to rock fall problems 1953, Reopened to public in 2000
Tunnel under Mosier Tunnel on Historical Columbia River Highway Trail
Open to pedestrians

Nevins Covered Bridge (Parke County, Indiana)
Built 1920 by J.A. Britton
Covered bridge over Little Raccoon Creek on CR S130E
Open to traffic

Raytown Road Bridge (Jackson County, Missouri)
Built 1920; reduced to one-way traffic in 2004; rehabilitated 2005
Wooden trestle bridge over the dismantled Rock Island Railroad on Raytown Road in Raytown
Open to one-lane northbound traffic

Red Bridge (Allamakee County, Iowa)
Built 1920; rehabilitated 1948
Timber through truss over Yellow River on Fuel Hollow Road
Abandoned with deck removed

Riverside Drive Bridge (New York County, New York)
Built 1920
Steel arch bridge over W. 96th Street on Riverside Drive in New York
Open to traffic

Short Road Bridge No. 1 (Morgan County, Missouri)
Built 1920
Concrete girder bridge over Straight Fork on Short Road (Old MO 5)
Open to traffic

Short Road Bridge No. 2 (Morgan County, Missouri)
Built 1920
Concrete bridge over a branch of Straight Fork on Short Road (Old MO 5)
Open to traffic

Sunny Valley Covered Bridge (Josephine County, Oregon)
Built 1920; rehabilitated 2001
Covered bridge over Grave Creek on Sunny Valley Loop
Open to traffic

Tennessee River Railroad Bridge (Hamilton County, Tennessee)
Built 1920
Vertical lift through truss bridge over Tennessee River on the Norfolk Southern Railway in Chattanooga
Open to railroad traffic

Tenth Street Bridge (Cascade County, Montana)
Built 1920 by Porter Brothers Co. of Spokane, WA
Eight-span open-spandrel arch bridge over the Missouri River on 10th Street in Great Falls
Open to pedestrians only

Tide Creek Bridge (Columbia County, Oregon)
Built 1920
Stringer bridge over Tide Creek on U.S. 30 Frontage Road
Open to traffic

Toston Bridge (Broadwater County, Montana)
Built 1919-20 by Security Bridge Co. of Billings; made obsolete by new bridge in 1955
Through truss bridge over Missouri River on CR 415 (Old US 287) at Toston
Open to traffic

Two Mile Creek Bridge (Polk County, Arkansas)
Built 1920
Through truss bridge over Two Mile Creek on CR 37 (Old US 71)
Open to one-lane traffic

West Drive Bridge (New York County, New York)
Built 1920
Stone arch bridge over 97th Street Transverse Road on West Drive in Central Park
Open to traffic