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
ST JOE RIVER;AVERY BR Idaho Fair 1935 159.4 m 330
TAMMANY CREEK Idaho Fair 1959 12.8 m 330
FARMERS COOP CANAL Idaho Fair 1970 7.9 m 330
LOW LINE CANAL Idaho Fair 1998 28.0 m 330
TETON ISLAND CANAL Idaho Fair 1977 6.7 m 330
N.FK.PAYETTE RIVER Idaho Good 1977 98.1 m 330
DEER FLAT HIGHLINE CNL Idaho Fair 1981 10.7 m 330
MILNER GOODING CANAL Idaho Poor 1970 23.2 m 330
PARADISE CREEK Idaho Good 2024 12.8 m 330
LOW LINE CANAL Idaho Fair 1965 15.8 m 330
TEXAS SLOUGH CANAL Idaho Fair 1955 7.6 m 330
LOCHSA RIVER(LOWELL BR) Idaho Fair 1960 96.9 m 320
PHYLLIS CANAL Idaho Fair 1977 7.3 m 320
FARMERS COOP SEBREE CNL Idaho Fair 1969 8.2 m 320
BURGESS CANAL Idaho Fair 1970 7.3 m 320
PINE CREEK Idaho Fair 1989 18.6 m 320
CEDAR CREEK Idaho Good 1978 21.3 m 320
POTLATCH RIVER Idaho Fair 1992 46.6 m 320
ABERDEEN SPRINGFIELD CNL Idaho Fair 1982 17.7 m 315
BIRD CREEK Idaho Good 1992 11.0 m 310
HIGH LINE CANAL Idaho Fair 2010 9.1 m 310
PAYETTE RVR(MONTOUR BR) Idaho Fair 1967 94.2 m 310
I 15 NB-SB; E 800 N Idaho Fair 1968 68.0 m 310
DRAIN; HALF BRIDGE Idaho Good 2003 18.9 m 310
GRIMES CREEK Idaho Fair 1930 14.0 m 310
RUSH CREEK Idaho Good 2009 15.5 m 310
S CHANNEL SPRING CREEK Idaho Good 1967 6.7 m 310
WEISER RIVER Idaho Good 2002 57.0 m 310
QUARTZ CREEK Idaho Fair 1992 10.7 m 310
EAGLE CREEK Idaho Fair 1992 12.8 m 310
MORA CANAL Idaho Fair 1995 8.8 m 310
MORES CREEK Idaho Fair 1997 28.3 m 310
CUB RIVER Idaho Poor 1926 15.5 m 310
LEMHI RIVER Idaho Poor 1948 24.1 m 310
SPIRIT LAKE(CAUSEWAY BR) Idaho Fair 1983 16.5 m 310
T.F.NORTHSIDE MAIN CNL Idaho Poor 1970 11.3 m 310
J CANAL Idaho Good 2007 7.3 m 310
T.F.NORTHSIDE MAIN CNL Idaho Poor 1960 20.4 m 310
T.F.NORTHSIDE MAIN CNL Idaho Fair 1969 25.0 m 310
LATERAL 5 Idaho Fair 1988 10.4 m 310
DEEP CREEK Idaho Fair 1952 6.6 m 310
I 90 EB-WB;E.MULLAN IC Idaho Fair 1973 41.8 m 300
N. FORK BIG LOST RIVER Idaho Good 2016 27.7 m 300
I 15 NB-SB;OSGOOD RD.GS Idaho Fair 1962 71.0 m 300
PORTER CANAL Idaho Fair 1965 11.1 m 300
ABERDEEN SPRINGFILED CNL Idaho Fair 2004 15.5 m 300
CEDAR POINT CANAL Idaho Fair 1977 6.4 m 300
DESERT DRAIN Idaho Fair 1973 7.9 m 300
NORTHSIDE MAIN CANAL Idaho Fair 1969 9.1 m 300
IDAHO CANAL Idaho Fair 1968 8.2 m 300

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.