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.

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BridgeLocationConditionYear BuiltLengthADT
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.