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 |
|---|---|---|---|---|---|
| COUNTY RD 93 | Colorado | Fair | 1969 | 60.4 m | 35,000 |
| UP RR RR SPUR LT RAIL | Colorado | Fair | 2011 | 57.2 m | 35,000 |
| I 70 ML | Colorado | Good | 1987 | 85.6 m | 35,000 |
| I 70 ML | Colorado | Fair | 1987 | 94.9 m | 35,000 |
| DRAW | Colorado | Fair | 1928 | 7.4 m | 35,000 |
| COUNTY RD. 93 | Colorado | Poor | 1969 | 60.4 m | 35,000 |
| MOSS STREET W 7TH AVE | Colorado | Fair | 1969 | 31.5 m | 35,000 |
| ROONEY RD | Colorado | Fair | 1987 | 60.6 m | 35,000 |
| CITY ST_ANIMAS RVR | Colorado | Fair | 1979 | 153.0 m | 35,000 |
| SH 8 BEAR CREEK | Colorado | Fair | 1989 | 233.2 m | 35,000 |
| DITCH | Colorado | Fair | 1965 | 9.1 m | 35,000 |
| DRAW | Colorado | Fair | 1928 | 8.2 m | 35,000 |
| WB C-D ROAD | Colorado | Good | 2014 | 19.6 m | 35,000 |
| US 6 ML | Colorado | Good | 2014 | 43.6 m | 35,000 |
| SH 8 BEAR CREEK | Colorado | Fair | 1989 | 233.1 m | 35,000 |
| US 40 ML | Colorado | Fair | 1969 | 113.9 m | 35,000 |
| UP RR | Colorado | Fair | 1961 | 37.5 m | 34,925 |
| MAIN STREAM | Colorado | Fair | 1973 | 15.3 m | 34,614 |
| PEDESTRIAN UNDERPASS | Colorado | Good | 2021 | 6.1 m | 34,500 |
| SAND CREEK | Colorado | Good | 2009 | 37.1 m | 34,229 |
| N BRANCH DOUGLAS CREEK | Colorado | Fair | 1986 | 13.0 m | 34,029 |
| I70ML/ SH58 ML/CLR CRK | Colorado | Good | 2008 | 644.7 m | 34,000 |
| US 85 ML | Colorado | Fair | 1971 | 67.7 m | 34,000 |
| LOUDEN CANAL | Colorado | Fair | 1924 | 6.7 m | 34,000 |
| CLEAR CREEK | Colorado | Fair | 1965 | 9.1 m | 34,000 |
| SH 119 ML | Colorado | Fair | 1988 | 60.5 m | 34,000 |
| BOULDER WHITEROCK DITCH | Colorado | Fair | 1987 | 6.4 m | 34,000 |
| THIRD CREEK | Colorado | Fair | 1953 | 11.6 m | 34,000 |
| WONDERLAND CREEK | Colorado | Fair | 1987 | 17.8 m | 34,000 |
| E-470 | Colorado | Good | 2024 | 86.3 m | 34,000 |
| BNSF RR | Colorado | Fair | 1988 | 103.5 m | 34,000 |
| BIG THOMPSON RIVER | Colorado | Good | 2022 | 86.3 m | 34,000 |
| BIG THOMPSON RIVER | Colorado | Good | 2021 | 86.3 m | 34,000 |
| FULTON DITCH | Colorado | Fair | 1953 | 12.5 m | 34,000 |
| KINNEY CREEK | Colorado | Fair | 1981 | 20.1 m | 34,000 |
| SECOND CREEK | Colorado | Fair | 1953 | 9.8 m | 34,000 |
| Boulder Creek | Colorado | Fair | 1963 | 18.9 m | 33,663 |
| SAND CREEK | Colorado | Fair | 1966 | 93.3 m | 33,268 |
| COTTONWOOD CREEK | Colorado | Fair | 1980 | 27.4 m | 33,218 |
| I 70 ML | Colorado | Fair | 1987 | 70.7 m | 33,165 |
| PLUM CREEK PARKWAY | Colorado | Good | 2010 | 41.1 m | 33,000 |
| SPRING CREEK | Colorado | Fair | 1948 | 11.7 m | 33,000 |
| US 285 ML | Colorado | Good | 1988 | 92.7 m | 33,000 |
| US 285 ML | Colorado | Fair | 1988 | 94.9 m | 33,000 |
| WOODWARD STREET | Colorado | Fair | 1968 | 39.1 m | 33,000 |
| DRY CREEK | Colorado | Fair | 1999 | 23.9 m | 33,000 |
| PLUM CREEK PARKWAY | Colorado | Good | 2010 | 41.1 m | 33,000 |
| US 85 BUSS RT | Colorado | Fair | 1968 | 62.5 m | 33,000 |
| 40TH AVE ML R | Colorado | Good | 1993 | 64.0 m | 33,000 |
| RMP TO I70 WB ML | Colorado | Good | 1993 | 61.1 m | 33,000 |
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.