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 |
|---|---|---|---|---|---|
| FOUR MILE CREEK | Colorado | Fair | 1949 | 56.2 m | 19,000 |
| CO.RD RR SPUR | Colorado | Fair | 2010 | 82.9 m | 19,000 |
| CROKE CANAL | Colorado | Fair | 1970 | 12.8 m | 19,000 |
| LIGHTNER CREEK | Colorado | Fair | 1970 | 9.9 m | 19,000 |
| POST BLVD | Colorado | Good | 2003 | 50.9 m | 19,000 |
| LIGHTNER CREEK AR | Colorado | Fair | 1973 | 15.1 m | 19,000 |
| I 70A ML | Colorado | Fair | 1972 | 65.7 m | 19,000 |
| DRAW | Colorado | Fair | 1958 | 19.1 m | 19,000 |
| US 36 ML | Colorado | Fair | 2011 | 91.2 m | 19,000 |
| RALSTON RESERVOIR OVRFLW | Colorado | Fair | 1984 | 9.4 m | 19,000 |
| US 6 RR EAGLE RIVER | Colorado | Fair | 1972 | 199.4 m | 19,000 |
| DRAW | Colorado | Fair | 1949 | 9.9 m | 19,000 |
| WINDSOR RES CANAL DITCH | Colorado | Good | 1950 | 14.8 m | 19,000 |
| BNSF RR | Colorado | Good | 1966 | 38.1 m | 19,000 |
| BNSF RR | Colorado | Fair | 1966 | 38.1 m | 19,000 |
| FLOOD DRAINAGE | Colorado | Good | 1950 | 6.4 m | 19,000 |
| WINDSOR RES CANAL DITCH | Colorado | Fair | 1966 | 14.6 m | 19,000 |
| CITY STREET | Colorado | Fair | 2003 | 50.9 m | 19,000 |
| BOX ELDER CREEK | Colorado | Good | 1985 | 19.9 m | 19,000 |
| LARIMER-WELD CANAL | Colorado | Good | 1983 | 13.4 m | 19,000 |
| WILDLIFE CROSSING | Colorado | Good | 2009 | 7.7 m | 19,000 |
| PLATTE STREET | Colorado | Fair | 1994 | 21.2 m | 18,893 |
| South Platte River | Colorado | Good | 2003 | 276.6 m | 18,870 |
| CLEAR CREEK SR | Colorado | Fair | 1938 | 16.6 m | 18,815 |
| MONUMENT CREEK AND UPRR | Colorado | Fair | 1958 | 183.6 m | 18,815 |
| Riverdale RD and Ditch | Colorado | Good | 2001 | 69.2 m | 18,798 |
| CHERRY CREEK | Colorado | Fair | 1989 | 27.7 m | 18,785 |
| I 25 ML | Colorado | Good | 1987 | 67.7 m | 18,770 |
| THIRD CREEK | Colorado | Poor | 1970 | 12.3 m | 18,738 |
| TOLLGATE CREEK | Colorado | Fair | 1987 | 8.7 m | 18,677 |
| E-470 | Colorado | Good | 1997 | 73.9 m | 18,600 |
| Ramp B | Colorado | Good | 2006 | 45.3 m | 18,591 |
| RAMP TO SB ACADEMY | Colorado | Fair | 2011 | 42.1 m | 18,567 |
| RAILROAD | Colorado | Fair | 2002 | 81.3 m | 18,542 |
| RAILROAD | PRIVATE BUSIN | Colorado | Fair | 2002 | 63.5 m | 18,542 |
| Ramp B | Colorado | Good | 2006 | 45.3 m | 18,529 |
| Riverdale RD and Ditch | Colorado | Good | 2001 | 69.2 m | 18,518 |
| DRY CREEK | Colorado | Good | 1959 | 11.3 m | 18,500 |
| US 85 ML BNSF RR UP RR | Colorado | Good | 2009 | 129.1 m | 18,500 |
| COUNTY ROAD | Colorado | Good | 1965 | 36.3 m | 18,500 |
| COUNTY ROAD | Colorado | Good | 1965 | 36.3 m | 18,500 |
| PINE CREEK | Colorado | Good | 2005 | 46.6 m | 18,500 |
| PINE CREEK | Colorado | Good | 2014 | 46.6 m | 18,500 |
| CREWS GULCH | Colorado | Fair | 1974 | 66.3 m | 18,500 |
| PINE CREEK | Colorado | Fair | 2005 | 46.5 m | 18,500 |
| CREWS GULCH | Colorado | Good | 2009 | 66.3 m | 18,500 |
| KETTLE CREEK | Colorado | Fair | 1958 | 9.2 m | 18,500 |
| ILIFF GULCH | Colorado | Fair | 1981 | 26.5 m | 18,500 |
| ILIFF GULCH | Colorado | Fair | 1981 | 27.4 m | 18,500 |
| US 85 ML BNSF RR UP RR | Colorado | Fair | 1976 | 129.7 m | 18,500 |
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.