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 |
|---|---|---|---|---|---|
| SOUTH BOULDER CREEK | Colorado | Fair | 1938 | 24.0 m | 25,000 |
| US 287 ML RR SPUR | Colorado | Fair | 1972 | 138.2 m | 25,000 |
| CO RD CASTLE CREEK | Colorado | Fair | 1961 | 129.1 m | 25,000 |
| UNION BLVD | Colorado | Good | 2014 | 53.1 m | 25,000 |
| LAKE CANAL | Colorado | Fair | 1930 | 6.7 m | 25,000 |
| US 6 ML | Colorado | Fair | 1999 | 153.1 m | 25,000 |
| PLEASANT PARK RD. | Colorado | Good | 2003 | 18.6 m | 25,000 |
| BRIARGATE BLVD | Colorado | Good | 2014 | 53.1 m | 25,000 |
| CEDAR WASH | Colorado | Fair | 1936 | 47.7 m | 25,000 |
| WINDSOR RES CANAL | Colorado | Fair | 1989 | 6.1 m | 25,000 |
| US 287 ML RR SPUR | Colorado | Poor | 1972 | 142.6 m | 25,000 |
| UNION BLVD | Colorado | Good | 2014 | 53.1 m | 25,000 |
| GODDING HOLLOW | Colorado | Good | 2020 | 20.6 m | 24,922 |
| Happy Canyon Creek | Colorado | Good | 1990 | 41.5 m | 24,896 |
| CHERRY CREEK | Colorado | Fair | 1981 | 73.2 m | 24,845 |
| RTD COMMUTER RAIL | PENA | Colorado | Good | 2017 | 11.3 m | 24,833 |
| THIRD CREEK TRIBUTARY | Colorado | Fair | 1992 | 6.4 m | 24,833 |
| Timnath Reservoir Outlet | Colorado | Good | 2016 | 12.2 m | 24,815 |
| Left Hand Ditch | Colorado | Fair | 1981 | 10.4 m | 24,744 |
| GRAND VALLEY CANAL | Colorado | Fair | 1985 | 14.6 m | 24,727 |
| Fossil Crk Res. Inlet | Colorado | Good | 2010 | 14.9 m | 24,693 |
| SADDLE ROCK GOLF PATH | Colorado | Good | 1998 | 6.3 m | 24,668 |
| Spring Creek | Colorado | Fair | 1987 | 32.5 m | 24,628 |
| Jordan Road | Colorado | Good | 1989 | 48.8 m | 24,616 |
| Local Drainage | Colorado | Good | 1987 | 10.5 m | 24,570 |
| I270 ON RAMP | EB/WB I7 | Colorado | Good | 2012 | 91.6 m | 24,513 |
| SAND CREEK | Colorado | Fair | 1985 | 23.2 m | 24,503 |
| CACHE LA POUDRE RIVER | Colorado | Good | 2023 | 102.4 m | 24,500 |
| KIPLING PARKWAY | Colorado | Good | 1986 | 61.0 m | 24,500 |
| CACHE LA POUDRE RIVER | Colorado | Good | 2022 | 102.4 m | 24,500 |
| RR SPUR | Colorado | Good | 2023 | 83.3 m | 24,500 |
| SH 121 ML | Colorado | Good | 2012 | 45.1 m | 24,500 |
| SH 121 ML | Colorado | Good | 2012 | 45.1 m | 24,500 |
| Tank Trail Bravo | Colorado | Good | 2016 | 46.5 m | 24,500 |
| RR SPUR | Colorado | Good | 2022 | 83.3 m | 24,500 |
| KIPLING PARKWAY | Colorado | Good | 1986 | 61.0 m | 24,500 |
| Larimer Co. Canal No. 2 | Colorado | Fair | 1935 | 9.1 m | 24,414 |
| Cherry Creek | Colorado | Good | 1996 | 185.3 m | 24,407 |
| RETENTION POND DRAINAGE | Colorado | Fair | 1996 | 8.7 m | 24,382 |
| Parker Road | Colorado | Good | 1996 | 81.6 m | 24,375 |
| CHERRY CREEK | Colorado | Fair | 1958 | 39.3 m | 24,360 |
| I 25 ML RAMPS R | Colorado | Fair | 1998 | 495.1 m | 24,331 |
| RAMP TO 38TH STREET R | Colorado | Fair | 1996 | 49.7 m | 24,331 |
| E. FORK SAND CREEK | Colorado | Fair | 1978 | 47.5 m | 24,253 |
| Cottonwood Drive | Colorado | Good | 1996 | 40.4 m | 24,242 |
| Piney Creek | Colorado | Fair | 1996 | 47.7 m | 24,242 |
| BIG DRY CREEK | Colorado | Good | 2023 | 24.6 m | 24,212 |
| US 285 ML | Colorado | Fair | 1955 | 24.7 m | 24,182 |
| NIVER CREEK | Colorado | Fair | 1960 | 9.6 m | 24,177 |
| HIGHLINE CANAL | Colorado | Fair | 1964 | 14.0 m | 24,144 |
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.