North Halsted Street Bridge (Cook County, Illinois)
Built 1955
Bascule bridge over North Branch Chicago River on Halsted Street in Chicago
Open to traffic

North River Bridge (Tuscaloosa County, Alabama)
Built 1955; rehabilitated 1978
Through truss bridge over North River on Bull Slough Road in Tuscaloosa
Unknown status

North Umpqua River Bridge (Douglas County, Oregon)
Built 1955
Through truss bridge over North Umpqua River on a local road
Open to traffic

North Umpqua River I-5 Bridge (Douglas County, Oregon)
Northbound bridge built 1955; southbound built 1964
Pair of deck truss bridges over North Umpqua River on I-5 in Roseburg North
Open to traffic

Oakland Park Blvd. Bridge (Broward County, Florida)
Built 1955
Bascule bridge over Intracoastal Waterway on Oakland Park Blvd. in Fort Lauderdale
Open to traffic

Old Galena Trail Bridge (Carroll County, Illinois)
Built 1955; rehabilitated 1985
Pony truss bridge over Plum River on North Old Galena Trail
Open to traffic

Osage Creek Bridge (Grant County, Oklahoma)
Built 1955
Pony truss bridge over Osage Creek on E0150
Open to traffic

Peninsula Blvd. Bridge (Nassau County, New York)
Built 1955
Concrete arch bridge over Southern State Parkway on Peninsula Blvd. in Hempstead
Open to traffic

Pennel Creek Bridge (Fallon County, Montana)
Built 1955
Deck truss bridge over Pennel Creek on CR 003
Open to traffic

Pike Creek Bridge (Iroquois County, Illinois)
Built 1955
Through truss bridge over Pike Creek on TR 224, 3.25 mi. west of Martinton
Open to traffic

Platte River Route NN Bridge (Nodaway County, Missouri)
Built 1955
Through truss bridge over Platte River on Route NN
Open to traffic

Port Townsend Bridge (Jefferson County, Washington)
Built 1955; rehabilitated 1982
Vertical lift bridge over Puget Sound on WA 20 in Port Townsend
Open to traffic

Red River LA 2 Bridge (Bossier Parish, Louisiana)
Built 1955; rehabilitated 1992
Five-span through truss bridge over Red River on LA 2
Open to traffic

Reynolds Highway Bridge (Mendocino County, California)
Built 1955
Pony truss bridge over Outlet Creek on Reynolds Highway
Open to traffic

Ripleys Road Bridge (Hampden County, Massachusetts)
Built 1955; rehabilitated 1995
Pony truss bridge over Trumble Brook on Ripleys Road in Granville
Open to traffic

Rock Creek Bridge (Valley County, Montana)
Built 1955; rehabilitated 1998
Pony truss bridge over Rock Creek on CR 214
Open to traffic

Roosevelt Island Bridge (New York County, New York)
Built 1955
Vertical lift bridge over East River at Roosevelt Island in New York
Open to traffic

Route UU Bridge (Dunklin County, Missouri)
Built 1955
Pony truss bridge over Lateral Ditch 78 on Route UU, northwest of Gobler
Open to traffic

Russell Street Bridge (Minnehaha County, South Dakota)
Built 1955; rehabilitated 1978
Steel stringer bridge over Big Sioux Rv on Russell St (SD Hwy. 38) south of Maple Rd. Bridge in Sioux Falls
Open to traffic

Sacramento River Bridge (Siskiyou County, California)
Built 1955; rehabilitated 1983
Concrete arch bridge over Sacramento River on I-5 in Dunsmuir
Open to traffic

Salt Creek Bridge (Osage County, Kansas)
Built 1955; replaced 2003
Lost pony truss bridge over Salt Creek, 2.8 mi. west and 2.3 mi. north of Quenemo
No longer exists

Sand Creek Bridge (Williams County, North Dakota)
Built 1955
Pony truss bridge over Sand Creek on a county highway
Open to traffic

Santa Ana Road Bridge (Ventura County, California)
Built 1955
Pony truss bridge over Coyote Creek on Santa Ana Road
Open to traffic

Schuylkill River I-78 Bridge (Berks County, Pennsylvania)
Built 1955; rehabilitated 1984
Open-spandrel arch bridge over Schuylkill River on I-78 in Hamburg
Open to traffic

Shawneetown Bridge (Gallatin County, Illinois)
Built 1955
Cantilevered through truss bridge over the Ohio River on IL 13/KY 56 at Old Shawneetown
Open to traffic

Skagit River Bridge (Skagit County, Washington)
Built 1955
Through truss bridge over Skagit River on I-5 in Mount Vernon
Open to traffic

Smoke Creek Bridge (Roosevelt County, Montana)
Built 1955
Pony truss bridge over Smoke Creek on CR 205
Open to traffic

South Umpqua River I-5 Bridge (Douglas County, Oregon)
Northbound bridge built 1955; southbound built 1964
Pair of deck truss bridges over South Umpqua River I-5 in Green
Open to traffic

South Umpqua River I-5 Bridge (Douglas County, Oregon)
Southbound bridge built 1955; northbound built 1976
Pair of deck truss bridges over South Umpqua River on I-5 in Roseburg
Open to traffic

Springston Bridge (Kootenai County, Idaho)
Built 1955
Through truss bridge over Coeur d'Alene River on a county road
Open to traffic

St. Johns River Bridge (Lake County, Florida)
Built 1955
Bascule bridge over St. Johns River on FL 44
Open to traffic

Stoddard County Road 388 Bridge (Stoddard County, Missouri)
Built 1955
Lost wooden deck bridge over Whitewater Ditch on CR 388
No longer exists

Sunken Meadow Creek Bridge (Suffolk County, New York)
Built 1955
Concrete arch bridge over Sunken Meadow Creek on Sunken Meadow State Parkway in Fort Salonga
Open to traffic

Surf City Bridge (Pender County, North Carolina)
Built 1955
Swing bridge over Intracoastal Waterway on NC50/NC210 in Surf City
Open to traffic

Surgoinsville Bridge (Hawkins County, Tennessee)
Built 1955
Pratt Truss bridge over Holston River on County Road 2604 in Surgoinsville
Open to traffic

Tappan Zee Bridge (Rockland County, New York)
Opened to traffic December 15, 1955
Cantilevered through truss bridge over Hudson River on I-87/I-287/New York State Thruway in South Nyack
Open to seven lanes of traffic

Township Road U-13 Bridge (Putnam County, Ohio)
Built 1955; rehabilitated 1955
Pony truss bridge over Sugar Creek on Township Road U-13
Open to traffic

Trent River Bridge (Craven County, North Carolina)
Built 1955
Swing bridge over Trent River on Business US 70 in New Bern
Open to traffic

Turnback Creek Route DD Bridge (Lawrence County, Missouri)
Built 1955
Pony truss bridge over Turnback Creek on Route DD
Open to one-lane traffic

Tyler Slough CR 3 Bridge (Little River County, Arkansas)
Built 1955
Wooden bridge over Tyler Slough on CR 3
Unknown status

Umatilla River Bridge (Umatilla County, Oregon)
Built 1955
Pony truss bridge over Umatilla River on BIA 600 in Umatilla
Open to traffic

Unnamed Creek Bridge (Woods County, Oklahoma)
Built 1955
Pony truss bridge over an unnamed creek on FAS 7608
Open to traffic

Unnamed Creek Bridge (Iowa County, Iowa)
Built 1955
Pony truss bridge over an unnamed creek on a local road
Open to traffic

Unnamed Creek Bridge (Taylor County, Iowa)
Built 1955
Pony truss bridge over an unnamed creek on a local road
Open to traffic

Unnamed Creek Bridge (Cerro Gordo County, Iowa)
Built 1955
Pony truss bridge over an unnamed creek on a local road
Open to traffic

Unnamed Creek Bridge (Butler County, Iowa)
Built 1955
Pony truss bridge over an unnamed creek on a local road
Open to traffic

Unnamed Stream Bridge (Saunders County, Nebraska)
Built 1955
Pony truss bridge over an unnamed stream on a township road, 2 mi. west of Prague
Open to traffic

Unnamed Stream Bridge (Antelope County, Nebraska)
Built 1955
Pony truss bridge over an unnamed stream on a township road, 5 mi. north and 2 mi. east of Brunswick
Open to traffic

Unnamed Stream Bridge (Saunders County, Nebraska)
Built 1955
Pony truss bridge over an unnamed stream on a township road, 4.5 mi. north and 1.5 mi. west of Prague
Open to traffic

Unnamed Stream Bridge (Antelope County, Nebraska)
Built 1955
Pony truss bridge over an unnamed stream on a township road
Open to traffic

Unnamed Stream Bridge (Washington County, Nebraska)
Built 1955
Pony truss bridge over an unnamed stream on a county road, 2.6 mi. west of Kennard
Open to traffic

Unnamed Stream Bridge (Saunders County, Nebraska)
Built 1955
Pony truss bridge over an unnamed stream on a township road, 1.5 mi. south and 3.5 mi. west of Weston
Open to traffic

Unnamed Stream Bridge (Washington County, Nebraska)
Built 1955
Truss bridge over an unnamed stream on a township road, 3.5 mi. east and 1 mi. north of Washington
Open to traffic

Unnamed Stream Bridge (Washington County, Nebraska)
Built 1955
Pony truss bridge over an unnamed stream on a township road, .3 mi. east of Kennard
Open to traffic

Unnamed Stream Bridge (Douglas County, Nebraska)
Built 1955
Pony truss bridge over an unnamed stream on CR 29, 1 mi. southwest of Valley
Open to traffic

US Hwy 65/ Main Avenue Bridge (Freeborn County, Minnesota)
Built 1955
Lost steel stringer bridge over City Street on US Hwy. 65
Replaced by new bridge

Valley Branch Bridge (Montague County, Texas)
Built 1955; replaced 2005
Lost truss bridge over Valley Branch on Dowd Road (CR 215)
No longer exists

Verdigris River Bridge (Wagoner County, Oklahoma)
Built 1955; rehabilitated 1970
Through truss bridge over Verdigris River on OK 51
Open to traffic

Vermilion River LA 82 Bridge (Vermilion Parish, Louisiana)
Built 1955
Vertical lift bridge over Vermilion River on LA 82
Open to traffic

Walker Creek Bridge (Wood County, West Virginia)
Built 1955; rehabilitated 1985
Deck truss bridge over Walker Creek on CR 7
Open to traffic

Walnut Grove Road Bridge (San Joaquin County, California)
Built 1955
Swing bridge over Mokelumne River on Walnut Grove Road in Walnut Grove
Open to traffic

Walter Halloran Memorial Bridge (Jackson County, Minnesota)
Built 1955; rehabilitated 1982. Dedicated in honor of Pastor Walter Halloran in 1994 Previous bridge was a 7-panel Pratt through truss bridge with M-frame portals.
Steel stringer bridge over Des Moines River on Csah 14 in Jackson
Open to traffic

Waubonsie Ditch Bridge (Fremont County, Iowa)
Built 1955
Through truss bridge over Waubonsie Ditch on a local road
Open to traffic

West Fork Blue River IN 60 Bridge (Washington County, Indiana)
Built 1955
Concrete arch bridge over West Fork Blue River on IN 60 in Salem
Open to traffic

West Fork Nodaway River Bridge (Adair County, Iowa)
Built 1955
Pony truss bridge over West Fork Nodaway River on a local road
Open to traffic

West Tarkio River Bridge (Page County, Iowa)
Built 1955; rehabilitated 1981; replaced 2002
Lost pony truss bridge over West Tarkio River on a local road
No longer exists

Whitebreast Creek Bridge (Lucas County, Iowa)
Built 1955
Pony truss bridge over Whitebreast Creek on a local road
Closed to all traffic

Willard Bridge (Shawnee County, Kansas)
Built 1955; rehabilitated 1983
Deck truss bridge over Kansas River on Carlson Road at Willard
Open to traffic

Wilson Creek Bridge (Anderson County, South Carolina)
Built 1955
Pony truss bridge over Wilson Creek on C-4-2097
Open to traffic

Wilson Creek Bridge (Collin County, Texas)
Built 1955; replaced 1999
Lost pony truss bridge over Wilson Creek on CR 122 in Celina
No longer exists

Withe Creek Bridge (Clinton County, Indiana)
Built 1955
Arch bridge over Withe Creek on CR 700 South
Open to traffic

Wolf Creek Bridge (Osage County, Kansas)
Built 1955
Pony truss bridge over Wolf Creek, 1.0 mi. north and 2.1 mi. west of Michigan Valley
Open to traffic