Owned by Bureau of Indian Affairs

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Amtrak - Walkway Overpass (Middlesex County, Connecticut)
Slab bridge over Post Office Square Walkway on Amtrak
Open to traffic

Animals' Bridge (Missoula County, Montana)
Steel arch bridge over US 93 on Wildlife Pass
Open to Wildlife

Battle Creek Bridge (Sioux County, North Dakota)
Built 1965
Steel stringer bridge over Battle Creek on Biasr Co. Hiway
Open to traffic

Big Wind River Bridge (Fremont County, Wyoming)
Built 1930
Through truss bridge over Big Wind River on Burris-Lenore Road (BIA 032)
Open to traffic

Big Wind River Bridge (Fremont County, Wyoming)
Built 1920
Pony truss bridge over Big Wind River on W. Dinwoody Lake Road (BIA 280) near Dubois
Open to traffic

Black River Bridge (Gila County, Arizona)
Built 1930
Deck truss bridge over Black River on BIA Route 9
Open to traffic

Chow Chow Bridge (Grays Harbor County, Washington)
Built 1952, Collapsed and Rebuilt 1964, Collapsed and Rebuilt 1973, Collapsed 1988
Lost Suspension bridge over Quinault River on BIA Road 7000
Collapsed

Crystal Creek Bridge (San Juan County, New Mexico)
Built 1989
Pony truss bridge over Crystal Creek on BIA N9603
Open to traffic

East Salt Water Wash Bridge (Coconino County, Arizona)
Built 1934
Wooden bridge over East Salt Water Wash on BIA Route 58
Open to traffic

Fiquerdo Wash Bridge (McKinley County, New Mexico)
Built 1976
Truss bridge over Fiquerdo Wash on BIA N9504
Open to traffic

Four Mile Creek Bridge (Sioux County, North Dakota)
Built 1960
Stringer bridge over Four Mile Creek on Biasr Co Hiway
Open to traffic

Inchelium-Gifford Ferry (Ferry County, Washington)
Built 1898
Ferry across Columbia River (Franklin D. Roosevelt Lake) on Ferry Crossing Landing Road
Open to traffic

Indian Island Bridge (Replacement) (Penobscot County, Maine)
Bridge
Open to traffic

Kelly Gulch Bridge (Graham County, Arizona)
Built 1929
Slab bridge over Kelly Gulch on Irr Bia Rte 3
Open to traffic

Keshena Power Canal Bridge (Menominee County, Wisconsin)
Built 1996
Timber stringer bridge over Keshena Power Canal on Irr Bia Rte 9
Open to traffic

Kin Li Chee Wash Bridge (Apache County, Arizona)
Built 1940
Wooden bridge over Kin Li Chee Wash on BIA Route N39
No longer exists, replaced by culvert

Little Sandy Crossing Bridge (Sweetwater County, Wyoming)
Warren pony truss bridge over Little Sandy Creek on California Mormon Road
Open to traffic

Meacham Creek Bridge (Umatilla County, Oregon)
Built 1955, Replaced 2006
Pratt pony truss bridge over Meacham Creek on Bingham Road in Umatilla
Replaced by a pre-cast concrete slab bridge in 2006

MHWA - Willow Creek Arch Bridge (Oneida County, New York)
Closed-spandrel arch bridge over Willow Creek on Mohawk Adirondack and Northern Railroad
Open to traffic

Moenkopi Wash Bridge (Coconino County, Arizona)
Built 1915
Pony truss bridge over Moenkopi Wash on BIA Route N6731
Open to traffic

Oak Draw Bridge (Graham County, Arizona)
Built 1929
Concrete tee beam bridge over Oak Draw on Irr Bia Rte 3
Closed to all traffic

One Mile Creek Bridge (Sioux County, North Dakota)
Built 1950
Steel stringer bridge over One Mile Creek on Irr Bia Rte 29
Open to traffic

Pryor Creek Bridge (Yellowstone County, Montana)
Built ca. 1920
Pony truss bridge over Pryor Creek on BIA Route 11
Open to traffic

Rio Puerco Bridge (Apache County, Arizona)
Replaced 1996
Lost Deck plate girder bridge over Rio Puerco River on Petrified Forest National Park Mainline Road
Replaced by new bridge

Sacaton Dam Bridge (Pinal County, Arizona)
Built 1925
Concrete deck girder bridge over Gila River on Old State Rte 87a
Open to traffic

Salt Water Wash Bridge (Coconino County, Arizona)
Built 1933
Wooden bridge over Salt Water Wash on BIA Route 58
Open to traffic

San Carlos Bridge (Gila County, Arizona)
7 span Pratt Through Truss over Gila River built in 1913. Removed 1937 and the spans relocated to other locations, including Whispering Pines Bridge
Lost Pratt through truss bridge over Gila River on unknown road
Lost

San Tan Canal Bridge (Pinal County, Arizona)
Built 1925
Stringer bridge over San Tan Canal on Old State Rte 87a
Open to traffic

Twin Draw Bridge (Graham County, Arizona)
Built 1929
Concrete tee beam bridge over Twin Draw on Irr Bia Rte 3
Open to traffic

Umatilla River Bridge (Umatilla County, Oregon)
Built 1955, Replaced 2006
Lost Pratt pony truss bridge over Umatilla River on Bingham Road in Umatilla
Replaced by a pre-cast concrete girder bridge in 2006

White River Bridge (Gila County, Arizona)
Built 1934; rehabilitated 1983
Through truss bridge over White River on BIA Route 9
Open to traffic

White River Bridge (Oglala Lakota County, South Dakota)
Built 1940
Pony truss bridge over White River on Irr Bia Rte 88
Open to traffic