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 |
|---|---|---|---|---|---|
| RIDENBAUGH CANAL | Idaho | Fair | 1950 | 9.1 m | 2,200 |
| CROOKED CREEK | Idaho | Fair | 1968 | 6.4 m | 2,200 |
| ANDERSON CANAL | Idaho | Fair | 1969 | 12.8 m | 2,200 |
| ENTERPRIZE CANAL | Idaho | Good | 2015 | 6.1 m | 2,200 |
| ANDERSON CANAL | Idaho | Fair | 1969 | 12.8 m | 2,200 |
| EAGLE ROCK CANAL | Idaho | Fair | 1969 | 15.2 m | 2,200 |
| BEAR RIVER;GRACE BRIDGE | Idaho | Fair | 1974 | 164.9 m | 2,200 |
| NORTH EXTENSION CANAL | Idaho | Fair | 1978 | 10.7 m | 2,200 |
| ROCK CREEK | Idaho | Fair | 2019 | 48.5 m | 2,200 |
| BURGESS CANAL | Idaho | Fair | 1986 | 16.5 m | 2,200 |
| RUDY CANAL | Idaho | Fair | 1986 | 13.1 m | 2,200 |
| HARRISON CANAL | Idaho | Good | 1983 | 9.1 m | 2,200 |
| WILLOW CREEK | Idaho | Good | 2019 | 53.3 m | 2,200 |
| BIG WOOD RIVER | Idaho | Good | 2017 | 83.5 m | 2,200 |
| I 15;MONTE VISTA DR GS | Idaho | Good | 1997 | 90.2 m | 2,200 |
| RACE CREEK | Idaho | Good | 2015 | 31.1 m | 2,200 |
| SALMON RIVER;GOFF BRIDGE | Idaho | Fair | 1999 | 150.9 m | 2,200 |
| JOHN DAY CREEK | Idaho | Fair | 1960 | 9.8 m | 2,200 |
| SLATE CREEK | Idaho | Fair | 1969 | 39.6 m | 2,200 |
| SALMON R.;MCKINZIE BR. | Idaho | Fair | 1969 | 214.3 m | 2,200 |
| SALMON R.;AWARD BR. | Idaho | Fair | 1969 | 238.4 m | 2,200 |
| SKOOKUMCHUCK CREEK | Idaho | Fair | 1971 | 21.3 m | 2,200 |
| I 15 SB-NB;ROSE ROAD GS | Idaho | Good | 2000 | 94.8 m | 2,200 |
| RIVERSIDE CANAL | Idaho | Fair | 1971 | 7.6 m | 2,200 |
| N.FK. CLEARWATER RIVER | Idaho | Fair | 1999 | 157.3 m | 2,100 |
| TREGO DITCH | Idaho | Fair | 1950 | 12.2 m | 2,100 |
| NORTH FORK WILLOW CR | Idaho | Fair | 1958 | 12.5 m | 2,100 |
| FIVE MILE CREEK | Idaho | Good | 1991 | 8.5 m | 2,100 |
| I 84;SAND HOLLOW IC | Idaho | Good | 2018 | 68.3 m | 2,100 |
| MILNER GOODING CANAL | Idaho | Fair | 1987 | 23.2 m | 2,100 |
| SAND CREEK | Idaho | Poor | 1957 | 21.6 m | 2,100 |
| BOISE RIVER & CANAL | Idaho | Poor | 1922 | 118.3 m | 2,100 |
| MALAD R.;N.HAGERMAN BR. | Idaho | Fair | 1956 | 113.7 m | 2,100 |
| BILLINGSLEY CREEK | Idaho | Fair | 1965 | 26.5 m | 2,100 |
| SNAKE RIVER;GRIDLEY BR. | Idaho | Fair | 1961 | 475.5 m | 2,100 |
| NOTUS CANAL | Idaho | Fair | 1993 | 9.8 m | 2,100 |
| SQUAW CREEK | Idaho | Fair | 1956 | 36.6 m | 2,100 |
| LOWER W.BRANCH PRIEST R. | Idaho | Fair | 1936 | 12.2 m | 2,100 |
| RIVERSIDE CANAL | Idaho | Fair | 1930 | 8.2 m | 2,100 |
| C CANAL | Idaho | Fair | 1971 | 13.1 m | 2,100 |
| SALMON RIVER;CARMEN BR. | Idaho | Fair | 1970 | 86.3 m | 2,100 |
| CARMEN CREEK | Idaho | Fair | 1931 | 7.3 m | 2,100 |
| TOWER CREEK | Idaho | Fair | 1931 | 7.3 m | 2,100 |
| NEW YORK CANAL | Idaho | Fair | 1984 | 15.5 m | 2,100 |
| BUTTE ARM CANAL | Idaho | Fair | 1955 | 10.7 m | 2,025 |
| I 84 EB-WB;MAYFIELD IC | Idaho | Fair | 1960 | 64.6 m | 2,000 |
| RIDENBAUGH CANAL | Idaho | Good | 2005 | 13.4 m | 2,000 |
| S. GOODING MAIN CANAL | Idaho | Fair | 2008 | 7.9 m | 2,000 |
| OVID CREEK | Idaho | Good | 2019 | 11.0 m | 2,000 |
| OVID CREEK | Idaho | Good | 2019 | 20.1 m | 2,000 |
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.