Browse Bridge Database

4,646 bridges in the FHWA National Bridge Inventory in Idaho.

National Bridge Inventory Database

Browse 4,646 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.

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BridgeLocationConditionYear BuiltLengthADT
HENRYS FK.SNAKE RIVER Idaho Fair 1977 98.5 m 3,000
CEDAR DRAW CANAL Idaho Good 2015 6.7 m 3,000
COTTONWOOD CREEK Idaho Fair 1978 8.2 m 3,000
GOLD CREEK Idaho Good 2019 16.5 m 3,000
BIG MEADOW CREEK Idaho Fair 1979 7.9 m 2,900
MORES CR; DUNNIGAN CR Idaho Good 2008 34.4 m 2,900
MORES CR.;SPENCERS CABIN Idaho Good 1995 28.0 m 2,900
MORES CR.;GRIMES CR.ROAD Idaho Fair 1958 12.2 m 2,900
LITTLE WOOD RIVER Idaho Fair 1977 12.2 m 2,900
LITTLE WOOD RIVER Idaho Fair 1977 15.2 m 2,900
TWIN FALLS MAIN CANAL Idaho Fair 2011 46.3 m 2,900
DRY CREEK Idaho Poor 1934 18.3 m 2,900
MAIN CANAL Idaho Fair 1956 43.0 m 2,900
SNAKE R.;AM.FALLS BR. Idaho Fair 1975 348.7 m 2,900
SNAKE R.;AM.FALLS DAM BR Idaho Good 1978 79.2 m 2,900
LATERAL 10 Idaho Fair 1920 7.3 m 2,900
M.FK.WEISER RIVER Idaho Fair 1974 48.8 m 2,900
COTTONWOOD CREEK Idaho Good 2017 17.4 m 2,900
LESTER CREEK Idaho Good 2017 7.9 m 2,900
PORTNEUF RIVER Idaho Fair 1968 14.0 m 2,850
BIKE/PEDESTRIAN UP Idaho Good 2018 7.3 m 2,800
ISLAND CANAL Idaho Fair 2011 7.0 m 2,800
SAGLE SLOUGH Idaho Fair 1974 23.8 m 2,800
NEW YORK CANAL Idaho Fair 1972 17.1 m 2,800
WHISKEY CR.;OROFINO CR. Idaho Fair 1951 12.8 m 2,800
ISLAND CANAL Idaho Fair 2011 7.6 m 2,800
BURGESS CANAL Idaho Good 1960 6.4 m 2,800
PHYLLIS CANAL Idaho Fair 2001 7.9 m 2,800
BEAR RIVER;RIVERDALE BR Idaho Fair 1960 65.8 m 2,800
G CANAL Idaho Fair 1983 9.4 m 2,800
BOISE RIVER;NOTUS BRIDGE Idaho Fair 1996 128.9 m 2,800
NEW YORK CANAL Idaho Fair 1976 33.5 m 2,800
IDAHO CANAL Idaho Fair 1967 21.6 m 2,800
SNAKE RIVER Idaho Fair 1967 166.4 m 2,800
GREAT WESTERN CANAL Idaho Fair 1967 21.6 m 2,800
BURGESS CANAL Idaho Good 1961 6.4 m 2,800
BIG WOOD RIVER Idaho Fair 1974 30.8 m 2,800
PORTNEUF RIVER Idaho Poor 1969 14.3 m 2,800
PLACER CREEK Idaho Fair 1942 6.4 m 2,800
SOUTH FORK CDA RIVER Idaho Fair 1987 35.1 m 2,800
WHITEBIRD CREEK Idaho Fair 1975 247.2 m 2,800
MIDDLETON CANAL Idaho Good 1988 11.9 m 2,700
CEDAR DRAW Idaho Fair 1932 10.4 m 2,700
TAMMANY CREEK Idaho Fair 1987 11.0 m 2,700
G CANAL Idaho Fair 1973 7.9 m 2,700
BOISE RIVER Idaho Fair 1975 60.4 m 2,700
BIG LOST RIVER Idaho Good 1977 18.6 m 2,700
LATERAL A CANAL Idaho Good 2019 7.0 m 2,700
UPPER W.BRANCH PRIEST R. Idaho Fair 1937 90.2 m 2,700
PORTNEUF RIVER Idaho Good 1968 29.3 m 2,700

Frequently Asked Questions

The National Bridge Inventory (NBI) is a federal database maintained by the Federal Highway Administration containing inspection data for all bridges on public roads in the U.S. with a span of more than 20 feet. Bridge owners must inspect each structure at least every 24 months.

ADT stands for Average Daily Traffic — the average number of vehicles crossing the bridge per day. Bridges are sorted by ADT by default because high-traffic bridges in poor condition pose the greatest risk to the most people.

Yes. Use the search field above to find bridges by name, location, or features crossed. You can also combine the search with state and condition filters to narrow your results.