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 |
|---|---|---|---|---|---|
| MANNS CREEK | Idaho | Fair | 2004 | 29.6 m | 4,400 |
| SAGE CREEK | Idaho | Fair | 1964 | 10.7 m | 4,400 |
| PINE CREEK | Idaho | Good | 2021 | 32.6 m | 4,400 |
| SNAKE RIVER;N.SHELLEY BR | Idaho | Fair | 1984 | 158.8 m | 4,400 |
| DRY CREEK | Idaho | Fair | 1964 | 21.3 m | 4,400 |
| WEST BLACKFOOT CANAL | Idaho | Fair | 1951 | 13.1 m | 4,400 |
| NORTH GOODING CANAL | Idaho | Good | 2013 | 17.4 m | 4,400 |
| KEITHLY CREEK | Idaho | Fair | 1991 | 31.7 m | 4,400 |
| SUNBEAM ROAD GS | Idaho | Good | 1959 | 32.9 m | 4,350 |
| SUNBEAM ROAD GS | Idaho | Fair | 1959 | 32.9 m | 4,350 |
| PRIVATE RD.;MACHINE PASS | Idaho | Good | 1959 | 7.3 m | 4,350 |
| PRIVATE RD.;MACHINE PASS | Idaho | Good | 1959 | 7.3 m | 4,350 |
| CEDAR DRAW CANAL | Idaho | Good | 2016 | 8.5 m | 4,300 |
| SIDEHILL CANAL | Idaho | Good | 2007 | 7.3 m | 4,300 |
| FIFTEEN MILE CREEK | Idaho | Fair | 1970 | 15.8 m | 4,300 |
| SAND CREEK | Idaho | Fair | 1957 | 21.3 m | 4,300 |
| MONROE CREEK | Idaho | Good | 1990 | 19.8 m | 4,300 |
| PORTNEUF RIVER | Idaho | Fair | 1977 | 77.7 m | 4,300 |
| DEER CROSSING | Idaho | Fair | 1977 | 23.2 m | 4,300 |
| DEER CROSSING | Idaho | Fair | 1977 | 23.2 m | 4,300 |
| DEER CROSSING | Idaho | Fair | 1976 | 23.2 m | 4,300 |
| RAWSON CANAL | Idaho | Good | 2016 | 6.1 m | 4,300 |
| HIGH LINE CANAL | Idaho | Fair | 1970 | 7.9 m | 4,300 |
| LATERAL NO. 1 | Idaho | Fair | 2006 | 19.5 m | 4,300 |
| EAST LATERAL CANAL | Idaho | Fair | 2014 | 8.6 m | 4,200 |
| ISAAK LOOP GS | Idaho | Good | 1980 | 39.6 m | 4,200 |
| ISAAK LOOP GS | Idaho | Good | 1984 | 39.6 m | 4,200 |
| SIDEHILL CANAL | Idaho | Good | 2007 | 7.3 m | 4,200 |
| PARADISE CREEK | Idaho | Fair | 1967 | 323.4 m | 4,200 |
| FARMERS UNION CANAL | Idaho | Good | 1993 | 7.3 m | 4,200 |
| RIDENBAUGH CANAL | Idaho | Good | 1979 | 15.2 m | 4,200 |
| I 84;11TH AVE N. GS | Idaho | Good | 2010 | 73.2 m | 4,200 |
| I 15 NB-SB;SAGE JCT IC | Idaho | Good | 1995 | 88.7 m | 4,200 |
| IDAHO CANAL | Idaho | Good | 2020 | 17.7 m | 4,200 |
| BEAR RIVER | Idaho | Fair | 2006 | 73.5 m | 4,200 |
| DAIRY CANYON;FRONTAGE RD | Idaho | Fair | 1983 | 36.0 m | 4,150 |
| ROCK CR;MASSACRE ROCK BR | Idaho | Fair | 1980 | 54.3 m | 4,150 |
| ROCK CR;MASSACRE ROCK BR | Idaho | Fair | 1963 | 51.5 m | 4,150 |
| BELLGROVE CREEK | Idaho | Good | 2003 | 20.7 m | 4,150 |
| BELLGROVE CREEK | Idaho | Good | 2002 | 20.7 m | 4,150 |
| BRYDEN CANYON ROAD | Idaho | Fair | 1999 | 40.5 m | 4,100 |
| I 86 EB-WB; AM. FALLS IC | Idaho | Good | 2011 | 79.2 m | 4,100 |
| RIDENBAUGH CANAL | Idaho | Fair | 1980 | 6.7 m | 4,100 |
| B-4 CANAL | Idaho | Fair | 1965 | 12.2 m | 4,100 |
| NOBLE CANAL | Idaho | Fair | 1926 | 9.1 m | 4,100 |
| UPRR;AMR.FALLS NORTH OP | Idaho | Fair | 1992 | 126.2 m | 4,100 |
| UPRR;N.FK.PAYETTE RIVER | Idaho | Poor | 1933 | 125.3 m | 4,100 |
| ROUND VALLEY CREEK | Idaho | Fair | 1933 | 11.3 m | 4,100 |
| CLEAR CREEK | Idaho | Good | 1933 | 10.4 m | 4,100 |
| BIG CREEK | Idaho | Fair | 1933 | 16.2 m | 4,100 |
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.