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.
| Bridge | Location | Condition | Year Built | Length | ADT |
|---|---|---|---|---|---|
| LOW LINE CANAL | Idaho | Fair | 1977 | 8.2 m | 95 |
| PEOPLES CANAL | Idaho | Fair | 1966 | 18.0 m | 95 |
| PEOPLES CANAL | Idaho | Fair | 1963 | 6.7 m | 95 |
| PEOPLES CANAL | Idaho | Fair | 1986 | 15.2 m | 95 |
| TINCUP CREEK;FREEDOM BR | Idaho | Fair | 2001 | 9.8 m | 95 |
| ROCK CREEK | Idaho | Fair | 1978 | 9.1 m | 95 |
| FALL CREEK | Idaho | Fair | 1981 | 31.1 m | 95 |
| WILLOW CREEK | Idaho | Fair | 1999 | 10.4 m | 90 |
| ST. ANTHONY CANAL | Idaho | Fair | 1966 | 7.9 m | 90 |
| MIDDLE FORK PAYETTE | Idaho | Fair | 1965 | 50.0 m | 90 |
| LOW LINE CANAL | Idaho | Fair | 1968 | 10.4 m | 90 |
| IDAHO CANAL | Idaho | Fair | 1982 | 9.8 m | 90 |
| HIGH LINE CANAL | Idaho | Fair | 1965 | 14.3 m | 90 |
| GREAT WESTERN CANAL | Idaho | Fair | 1976 | 6.7 m | 90 |
| ABERDEEN SPRINGFIELD CNL | Idaho | Fair | 1984 | 33.8 m | 90 |
| MORGAN CREEK;NE.CHALLIS | Idaho | Good | 1977 | 10.4 m | 90 |
| D LINE CANAL | Idaho | Fair | 1971 | 7.0 m | 90 |
| E.FK.SALMON RIVER | Idaho | Fair | 1970 | 15.8 m | 90 |
| LITTLE WOOD RIVER | Idaho | Fair | 1991 | 16.5 m | 90 |
| ROAD CREEK | Idaho | Poor | 2022 | 12.2 m | 90 |
| E.FK.SALMON RIVER | Idaho | Fair | 1972 | 19.5 m | 90 |
| LATOUR CREEK | Idaho | Fair | 1976 | 22.9 m | 90 |
| LATOUR CREEK;SW.CATALDO | Idaho | Fair | 1978 | 21.3 m | 90 |
| LOW LINE CANAL | Idaho | Fair | 1982 | 21.0 m | 90 |
| HARRISON CANAL | Idaho | Fair | 1974 | 8.5 m | 90 |
| SALMON CANAL LATERAL #2 | Idaho | Fair | 1971 | 17.7 m | 90 |
| MOYIE RIVER (ADDIE BR) | Idaho | Good | 1991 | 37.2 m | 90 |
| HIGH LINE CANAL | Idaho | Fair | 1967 | 12.5 m | 90 |
| FARMERS COOP SEBREE CNL | Idaho | Good | 1985 | 19.5 m | 90 |
| MORA CANAL | Idaho | Good | 2005 | 6.7 m | 90 |
| FARMERS COOP SEBREE CNL | Idaho | Fair | 1986 | 9.8 m | 90 |
| MORA CANAL | Idaho | Fair | 1998 | 15.9 m | 90 |
| D LINE CANAL | Idaho | Fair | 1984 | 9.8 m | 90 |
| S.FK.BOISE RIVER | Idaho | Fair | 1961 | 39.0 m | 90 |
| SUCCOR CREEK | Idaho | Poor | 1930 | 28.7 m | 90 |
| GRAND VIEW IRRG.DIST.CNL | Idaho | Fair | 1986 | 7.3 m | 90 |
| BUCKAROO CANAL | Idaho | Good | 1989 | 6.1 m | 90 |
| I 15 NB-SB;E 1900 N GS | Idaho | Good | 1960 | 64.6 m | 90 |
| DRAIN | Idaho | Fair | 1965 | 10.7 m | 90 |
| I 84;ELMORE AVENUE GS | Idaho | Fair | 1960 | 91.4 m | 90 |
| N.FK.PAYETTE RIVER | Idaho | Fair | 1977 | 56.7 m | 90 |
| LAKE FORK CREEK | Idaho | Fair | 1976 | 27.7 m | 90 |
| N.FK.PAYETTE RIVER | Idaho | Poor | 1959 | 73.2 m | 90 |
| HOG CREEK | Idaho | Good | 2007 | 11.0 m | 90 |
| MANN CREEK | Idaho | Fair | 1973 | 9.1 m | 90 |
| SHE CREEK | Idaho | Good | 2018 | 12.8 m | 90 |
| DEER CREEK | Idaho | Fair | 1950 | 7.3 m | 90 |
| PAHSIMEROI RIVER | Idaho | Good | 2015 | 14.6 m | 90 |
| POTLATCH R(ARROW JCT BR) | Idaho | Poor | 1920 | 39.9 m | 90 |
| WHEELER CANYON CREEK | Idaho | Good | 2013 | 24.7 m | 90 |
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.