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 |
|---|---|---|---|---|---|
| FARMERS COOP SEBREE CNL | Idaho | Fair | 1999 | 12.2 m | 1,500 |
| N. GOODING LATERAL 1465 | Idaho | Fair | 1986 | 6.1 m | 1,500 |
| DRY CREEK | Idaho | Fair | 2006 | 8.8 m | 1,500 |
| WEST BRUNEAU RVR SLOUGH | Idaho | Good | 1955 | 10.7 m | 1,500 |
| BRUNEAU RIVER | Idaho | Fair | 1955 | 32.0 m | 1,500 |
| BRUNEAU RIVER SLOUGH | Idaho | Fair | 1955 | 10.7 m | 1,500 |
| NOTUS CANAL | Idaho | Good | 2010 | 10.1 m | 1,500 |
| H CANAL | Idaho | Fair | 2006 | 15.8 m | 1,500 |
| RIDENBAUGH CANAL | Idaho | Good | 1989 | 12.2 m | 1,500 |
| LOWER PAYETTE DITCH | Idaho | Fair | 1967 | 9.1 m | 1,500 |
| I 15 NB-SB;VIRGINIA IC | Idaho | Fair | 1971 | 118.9 m | 1,500 |
| A CANAL | Idaho | Good | 2011 | 8.2 m | 1,500 |
| BIG LOST RIVER | Idaho | Fair | 1987 | 19.8 m | 1,500 |
| US 95 | Idaho | Good | 2024 | 31.4 m | 1,500 |
| NOTUS CANAL | Idaho | Fair | 1985 | 7.3 m | 1,500 |
| W.BR.SNAKE R.VALLEY CNL | Idaho | Good | 1966 | 8.2 m | 1,500 |
| E.BR.SNAKE R.VALLEY CNL | Idaho | Fair | 1988 | 6.2 m | 1,500 |
| LITTLE SAND CREEK | Idaho | Fair | 1968 | 12.8 m | 1,500 |
| SAND CREEK | Idaho | Fair | 1988 | 9.1 m | 1,500 |
| I 84;MERIDIAN RD GS | Idaho | Fair | 1961 | 64.6 m | 1,500 |
| LAKE FORK CANAL | Idaho | Fair | 1996 | 7.0 m | 1,500 |
| LAKE FORK CREEK | Idaho | Fair | 1973 | 18.3 m | 1,500 |
| J CANAL | Idaho | Fair | 1989 | 7.0 m | 1,500 |
| G CANAL (UNITY BR) | Idaho | Fair | 2006 | 6.7 m | 1,500 |
| A-1 CANAL | Idaho | Fair | 1996 | 8.2 m | 1,500 |
| SNAKE R.(MONTGOMERY BR) | Idaho | Poor | 1954 | 292.6 m | 1,500 |
| INDEPENDENT CANAL | Idaho | Good | 2011 | 9.8 m | 1,500 |
| MORA CANAL | Idaho | Fair | 1973 | 21.3 m | 1,500 |
| SCORPION CREEK | Idaho | Good | 2013 | 17.4 m | 1,500 |
| PARADISE CREEK | Idaho | Good | 1950 | 8.2 m | 1,500 |
| UNION CANAL | Idaho | Fair | 2011 | 7.3 m | 1,500 |
| TETON CREEK | Idaho | Fair | 2009 | 18.9 m | 1,500 |
| S.FK. CDA RIVER;6TH ST. | Idaho | Good | 2024 | 14.8 m | 1,500 |
| NEW YORK CANAL | Idaho | Fair | 1975 | 36.6 m | 1,500 |
| Taylor Drainage | Idaho | Fair | 1958 | 6.8 m | 1,408 |
| G CANAL | Idaho | Fair | 1975 | 7.0 m | 1,400 |
| LITTLE WOOD RIVER | Idaho | Good | 2023 | 12.3 m | 1,400 |
| N CANAL | Idaho | Fair | 1995 | 7.9 m | 1,400 |
| HENRYS FK SNAKE RIVER | Idaho | Fair | 2014 | 83.8 m | 1,400 |
| SALEM UNION CANAL | Idaho | Fair | 1994 | 13.3 m | 1,400 |
| TWIN GROVES CANAL | Idaho | Fair | 1992 | 7.6 m | 1,400 |
| FARMERS FRIEND CANAL | Idaho | Good | 1993 | 9.8 m | 1,400 |
| UPRR BLISS RAILROAD OP | Idaho | Good | 2020 | 71.3 m | 1,400 |
| HUBBARD CREEK | Idaho | Fair | 1976 | 10.1 m | 1,400 |
| I 84;100 SOUTH RD GS 1 | Idaho | Fair | 1965 | 77.4 m | 1,400 |
| G CANAL;E.BURLEY BR | Idaho | Fair | 1976 | 8.3 m | 1,400 |
| PAYETTE RIVER | Idaho | Poor | 1959 | 123.1 m | 1,400 |
| TYHEE LATERAL CANAL | Idaho | Good | 1949 | 7.3 m | 1,400 |
| MASON CREEK FEEDER CANAL | Idaho | Fair | 1990 | 10.7 m | 1,400 |
| DANSKIN CANAL | Idaho | Good | 1968 | 6.7 m | 1,400 |
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.