Browse Bridge Database
8,990 bridges in the FHWA National Bridge Inventory in Colorado.
National Bridge Inventory Database
Browse 8,990 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 |
|---|---|---|---|---|---|
| RIO SAN ANTONIO | Colorado | Fair | 1938 | 25.0 m | 1,200 |
| TRIBUTARY OF AMITY CANAL | Colorado | Fair | 1960 | 12.4 m | 1,200 |
| IRONDALE GULCH | Colorado | Fair | 2001 | 6.3 m | 1,198 |
| FOUNTAIN CREEK | Colorado | Fair | 1906 | 6.7 m | 1,195 |
| GORE CREEK | Colorado | Fair | 1980 | 18.6 m | 1,191 |
| LOCAL DRAINAGE | Colorado | Good | 1985 | 15.3 m | 1,189 |
| I 70 ML | Colorado | Good | 1965 | 57.9 m | 1,177 |
| I 25 ML and FRONTAGE RD | Colorado | Fair | 1966 | 82.0 m | 1,176 |
| SOUTH ARKANSAS RIVER | Colorado | Good | 1985 | 10.4 m | 1,176 |
| EMPSON DITCH | Colorado | Fair | 2020 | 9.1 m | 1,175 |
| BESSEMER DITCH | Colorado | Fair | 1993 | 9.7 m | 1,174 |
| RIO GRANDE RIVER OVERFLO | Colorado | Good | 1985 | 9.7 m | 1,174 |
| FLORIDA CANAL | Colorado | Poor | 1964 | 10.1 m | 1,172 |
| New Cache La Poudre Cana | Colorado | Fair | 1997 | 17.9 m | 1,172 |
| TUCKER GULCH | TUCKER GU | Colorado | Fair | 1978 | 33.5 m | 1,169 |
| US 160 ML | Colorado | Fair | 1972 | 69.2 m | 1,168 |
| COAL CREEK | Colorado | Good | 1992 | 14.6 m | 1,167 |
| Highland Ditch | Colorado | Fair | 1976 | 7.5 m | 1,163 |
| BLACK SQUIRREL CREEK | Colorado | Poor | 1988 | 16.4 m | 1,163 |
| DRAW SR | Colorado | Fair | 1954 | 13.4 m | 1,162 |
| GOLDSMITH GULCH | Colorado | Fair | 1966 | 10.1 m | 1,158 |
| ROARING FORK RIVER | Colorado | Fair | 1989 | 36.9 m | 1,158 |
| Hansen Feeder Canal | Colorado | Fair | 1989 | 15.1 m | 1,155 |
| I 76 ML BNSF RR | Colorado | Fair | 1983 | 140.8 m | 1,153 |
| DRAW AR | Colorado | Good | 1983 | 7.3 m | 1,153 |
| I-25 ML & LRT | Colorado | Good | 2004 | 114.5 m | 1,153 |
| HAPPY CANYON CREEK | PED | Colorado | Good | 2009 | 36.6 m | 1,145 |
| PARKING LOT | Colorado | Fair | 2017 | 32.1 m | 1,139 |
| PARKING LOT | Colorado | Fair | 2007 | 30.4 m | 1,139 |
| TAYLOR RIVER | Colorado | Fair | 2001 | 63.9 m | 1,133 |
| FOUNTAIN CREEK | Colorado | Good | 2001 | 12.3 m | 1,132 |
| ORCHARD MESA CANAL NO. 2 | Colorado | Good | 2015 | 8.2 m | 1,130 |
| I 25 ML | Colorado | Good | 2021 | 76.2 m | 1,128 |
| Big Thompson River | Colorado | Fair | 1970 | 46.8 m | 1,126 |
| Collins Lateral Canal | Colorado | Fair | 2013 | 11.6 m | 1,126 |
| SANDERSON GULCH | Colorado | Fair | 2019 | 12.7 m | 1,123 |
| Beaver Creek | Colorado | Fair | 1987 | 34.9 m | 1,112 |
| I 70 ML | Colorado | Fair | 1965 | 57.9 m | 1,110 |
| BIG SALT WASH | Colorado | Fair | 1991 | 15.9 m | 1,108 |
| Lower Platte Beaver Cnl | Colorado | Poor | 1965 | 11.4 m | 1,108 |
| South Platte River | Colorado | Fair | 1992 | 178.3 m | 1,108 |
| Tremont Canal | Colorado | Fair | 1997 | 17.1 m | 1,108 |
| MONUMENT CREEK | Colorado | Fair | 1965 | 18.4 m | 1,108 |
| SELLERS GULCH TRIBUTARY | Colorado | Fair | 1992 | 21.3 m | 1,106 |
| LOCAL DRAINAGE | Colorado | Fair | 1980 | 7.6 m | 1,105 |
| I 76 ML | Colorado | Fair | 1978 | 75.7 m | 1,104 |
| North Poudre Canal | Colorado | Fair | 1930 | 10.9 m | 1,103 |
| GORE CREEK | Colorado | Good | 1975 | 12.5 m | 1,101 |
| DRAINAGE | Colorado | Fair | 2011 | 12.5 m | 1,100 |
| DRAINAGE | Colorado | Poor | 1942 | 9.1 m | 1,100 |
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.