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 |
|---|---|---|---|---|---|
| EGIN CANAL | Idaho | Fair | 1960 | 14.3 m | 660 |
| C CANAL | Idaho | Poor | 1965 | 7.9 m | 660 |
| NEW YORK CANAL | Idaho | Fair | 1919 | 17.1 m | 660 |
| HATWAI CREEK | Idaho | Fair | 1968 | 15.8 m | 650 |
| WEST END DRAIN | Idaho | Fair | 1962 | 12.5 m | 650 |
| I 84;DITTO CREEK RD GS | Idaho | Fair | 1959 | 64.6 m | 650 |
| PAYETTE RIVER | Idaho | Fair | 1963 | 103.6 m | 650 |
| RIVERSIDE CANAL | Idaho | Fair | 1969 | 9.8 m | 650 |
| DEEP CREEK;TED BRUHNS BR | Idaho | Fair | 1977 | 12.8 m | 640 |
| W.FK.PINE CREEK | Idaho | Good | 2013 | 20.1 m | 640 |
| PINE CREEK | Idaho | Fair | 1956 | 21.9 m | 640 |
| CAMAS CREEK | Idaho | Fair | 1955 | 24.4 m | 630 |
| DRAIN DITCH | Idaho | Fair | 1955 | 12.2 m | 630 |
| FORK OF CAMAS CREEK | Idaho | Fair | 1955 | 9.1 m | 630 |
| SOLDIER CREEK | Idaho | Fair | 1955 | 9.1 m | 630 |
| SOLDIER CREEK | Idaho | Fair | 1955 | 9.1 m | 630 |
| SOLDIER CREEK | Idaho | Fair | 1955 | 9.1 m | 630 |
| MINEAR CREEK | Idaho | Poor | 1955 | 9.1 m | 630 |
| KNOWLTON CREEK | Idaho | Fair | 1955 | 12.2 m | 630 |
| THOMAS FORK CREEK EAST | Idaho | Fair | 1993 | 16.2 m | 630 |
| PINE CREEK;EB OFF RAMP | Idaho | Fair | 1977 | 37.8 m | 630 |
| TWIN GROVES CANAL | Idaho | Good | 2023 | 8.1 m | 630 |
| EAGLE ROCK CANAL | Idaho | Fair | 2015 | 15.2 m | 630 |
| ANDERSON CANAL | Idaho | Fair | 2015 | 15.2 m | 630 |
| BIG WOOD RIVER | Idaho | Good | 2018 | 30.2 m | 630 |
| HEGLAR DRAIN | Idaho | Fair | 1984 | 7.3 m | 630 |
| UPRR; IGO OVERPASS | Idaho | Fair | 1935 | 55.2 m | 623 |
| MASON CREEK FEEDER CANAL | Idaho | Fair | 1969 | 9.4 m | 620 |
| CANYON CREEK | Idaho | Good | 1964 | 27.4 m | 620 |
| CANYON CREEK | Idaho | Good | 1964 | 36.6 m | 620 |
| CANYON CREEK | Idaho | Good | 1964 | 35.1 m | 620 |
| CAPE HORN CREEK | Idaho | Fair | 1964 | 33.5 m | 620 |
| STANLEY LAKE CREEK | Idaho | Fair | 1966 | 27.4 m | 620 |
| ELK CREEK | Idaho | Fair | 2022 | 8.5 m | 620 |
| S.FK.BOISE RIVER | Idaho | Fair | 1968 | 52.1 m | 620 |
| LIME CREEK | Idaho | Fair | 1984 | 46.9 m | 620 |
| S FK BOISE RVR (PINE BR) | Idaho | Good | 2018 | 56.4 m | 620 |
| KUNA CANAL | Idaho | Fair | 1949 | 6.7 m | 620 |
| PHYLLIS CANAL | Idaho | Good | 2010 | 6.4 m | 620 |
| WILSON DRAIN | Idaho | Fair | 1970 | 18.6 m | 620 |
| PHYLLIS CANAL | Idaho | Fair | 1971 | 9.4 m | 620 |
| MILNER GOODING CANAL | Idaho | Fair | 1929 | 22.9 m | 620 |
| S.FK.BOISE RIVER | Idaho | Fair | 1963 | 61.3 m | 620 |
| T.F.NORTHSIDE MAIN CNL | Idaho | Fair | 1928 | 54.9 m | 620 |
| CROOKED FK.CLEARWATER R. | Idaho | Fair | 1960 | 88.4 m | 610 |
| I 15;W 113 N GS | Idaho | Fair | 1962 | 67.1 m | 610 |
| COEUR DALENE RIVER | Idaho | Fair | 1975 | 82.3 m | 610 |
| OROFINO CREEK(NOAHS BR) | Idaho | Good | 2000 | 27.4 m | 610 |
| MORA CANAL | Idaho | Fair | 1978 | 28.7 m | 610 |
| S.FK.COEUR DALENE RIVER | Idaho | Fair | 1973 | 26.2 m | 600 |
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.