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 |
|---|---|---|---|---|---|
| HIGH LINE CANAL | Idaho | Fair | 1975 | 10.7 m | 200 |
| HIGH LINE CANAL | Idaho | Fair | 1962 | 11.9 m | 200 |
| OWL CREEK | Idaho | Fair | 1959 | 14.7 m | 200 |
| RED ROCK CREEK | Idaho | Poor | 1970 | 9.4 m | 200 |
| RIVERSIDE CANAL | Idaho | Fair | 1983 | 9.1 m | 200 |
| EAST CANAL | Idaho | Fair | 1952 | 8.2 m | 200 |
| G CANAL | Idaho | Fair | 2001 | 12.2 m | 200 |
| G CANAL | Idaho | Fair | 1988 | 6.7 m | 200 |
| G CANAL | Idaho | Good | 1988 | 6.7 m | 200 |
| MAIN SOUTHSIDE CANAL | Idaho | Fair | 2008 | 29.9 m | 200 |
| LATOUR CREEK;DUDLEY BR. | Idaho | Fair | 1976 | 22.9 m | 200 |
| T.F.NORTHSIDE MAIN CNL | Idaho | Fair | 1970 | 22.6 m | 200 |
| C CANAL | Idaho | Fair | 1974 | 8.8 m | 200 |
| DEER FLAT CALDWELL CANAL | Idaho | Good | 2006 | 7.3 m | 200 |
| C CANAL | Idaho | Fair | 1972 | 7.3 m | 200 |
| C CANAL | Idaho | Fair | 1955 | 7.9 m | 200 |
| S.FK.CDA R;SMELTERVILLE | Idaho | Fair | 1963 | 27.4 m | 200 |
| C CANAL | Idaho | Poor | 1975 | 8.5 m | 200 |
| MAIN DRAIN | Idaho | Good | 2024 | 7.9 m | 200 |
| L CANAL | Idaho | Fair | 1972 | 10.7 m | 200 |
| I 84;EDEN RD GS | Idaho | Fair | 1966 | 67.1 m | 200 |
| LITTLE WOOD RIVER | Idaho | Poor | 1920 | 13.7 m | 200 |
| LITTLE WOOD RIVER | Idaho | Poor | 1913 | 19.2 m | 200 |
| BIG CREEK;NW.OSBURN BR | Idaho | Good | 2024 | 19.8 m | 200 |
| FARMERS COOP CANAL | Idaho | Fair | 1930 | 7.6 m | 200 |
| CAMAS CREEK | Idaho | Poor | 1953 | 13.7 m | 200 |
| MILNER GOODING CANAL | Idaho | Poor | 1955 | 23.8 m | 200 |
| MAIN NORTHSIDE CANAL | Idaho | Fair | 1975 | 14.6 m | 200 |
| B-4 CANAL | Idaho | Good | 2023 | 17.2 m | 200 |
| B-2 CANAL | Idaho | Good | 2020 | 6.7 m | 200 |
| B-4 CANAL | Idaho | Fair | 1983 | 6.7 m | 200 |
| LEWISVILLE CANAL | Idaho | Fair | 1975 | 6.2 m | 200 |
| LOWER PAYETTE DITCH | Idaho | Fair | 1967 | 7.9 m | 200 |
| DRY CREEK | Idaho | Good | 2005 | 10.4 m | 200 |
| LOGGERS CREEK | Idaho | Good | 1972 | 9.4 m | 200 |
| WALDVOGEL CANAL | Idaho | Fair | 1950 | 10.1 m | 200 |
| NOBLE CANAL | Idaho | Fair | 1972 | 7.3 m | 200 |
| WALDVOGEL CANAL | Idaho | Fair | 1997 | 10.1 m | 200 |
| PHYLLIS CANAL | Idaho | Fair | 1980 | 21.9 m | 200 |
| TEN MILE CREEK | Idaho | Good | 2007 | 9.1 m | 200 |
| I 90 EB-WB;WILLOW CR. GS | Idaho | Fair | 1973 | 63.1 m | 200 |
| FARMERS UNION CANAL | Idaho | Good | 1999 | 7.6 m | 200 |
| EAST MADDEN LATERAL | Idaho | Good | 2019 | 6.4 m | 200 |
| FARMERS COOP CANAL | Idaho | Fair | 1979 | 9.1 m | 200 |
| MORA CANAL | Idaho | Fair | 2004 | 40.2 m | 200 |
| MORA CANAL | Idaho | Fair | 1983 | 14.3 m | 200 |
| FARMERS COOP SEBREE CNL | Idaho | Fair | 1967 | 11.0 m | 200 |
| GREAT WESTERN CANAL | Idaho | Fair | 2001 | 6.7 m | 190 |
| PEOPLES CANAL | Idaho | Fair | 1999 | 10.1 m | 190 |
| ABERDEEN SPRINGFIELD CNL | Idaho | Poor | 1964 | 28.0 m | 190 |
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.