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
DRAW Colorado Fair 1958 6.4 m 14,000
LARIMER COUNTY CANAL Colorado Fair 1966 10.4 m 14,000
LARIMER COUNTY CANAL Colorado Fair 1950 10.2 m 14,000
FLOOD DRAINAGE Colorado Fair 1950 6.4 m 14,000
FLOOD DRAINAGE Colorado Good 1950 6.4 m 14,000
FLOOD DRAINAGE Colorado Fair 1950 13.4 m 14,000
LEWIS WASH Colorado Fair 1956 20.5 m 14,000
LEFT HAND CREEK Colorado Good 1975 37.6 m 14,000
BOULDER CREEK Colorado Good 2011 66.6 m 14,000
BAYOU CREEK Colorado Fair 1981 69.1 m 14,000
LOWER BOULDER CANAL Colorado Fair 1963 6.6 m 14,000
FULTON DITCH Colorado Fair 1959 18.7 m 14,000
Boulder Creek Colorado Fair 1978 44.2 m 14,000
LOWER BOULDER CANAL Colorado Fair 1963 10.0 m 14,000
GREELEY CANAL NO 2 Colorado Good 1971 25.0 m 14,000
HIGHLINE CANAL Colorado Fair 2009 8.2 m 13,977
I 70 ML Colorado Good 2005 53.8 m 13,931
EAST PLUM CREEK | RAILRO Colorado Good 1987 199.6 m 13,927
Lykins Gulch Colorado Fair 2006 17.9 m 13,906
NORTH COON CREEK Colorado Good 2002 8.1 m 13,889
EAST PLUM CREEK Colorado Fair 2015 230.8 m 13,877
RAILROAD/SIERRA MADRE ST Colorado Good 1998 191.0 m 13,843
ROARING FORK RIVER Colorado Good 2019 58.8 m 13,832
SAND CREEK Colorado Fair 1989 91.6 m 13,787
Greeley Loveland Canal Colorado Good 2005 10.1 m 13,787
DUTCH CREEK | DUTCH CREE Colorado Good 1971 7.6 m 13,773
WEST TOLLGATE CREEK Colorado Fair 1978 67.0 m 13,766
I 70 ML Colorado Fair 1971 61.8 m 13,753
WEST TOLLGATE CRK Colorado Fair 1973 44.5 m 13,721
HAPPY CANYON CREEK Colorado Fair 2001 32.6 m 13,687
WEST FORK SAND CREEK Colorado Fair 1979 12.8 m 13,681
SIDE CREEK Colorado Fair 1981 6.5 m 13,675
Unnamed Creek Colorado Fair 2005 13.4 m 13,655
SAND CREEK Colorado Fair 1970 45.9 m 13,644
Colorado River Colorado Fair 1996 81.7 m 13,630
MONUMENT CREEK Colorado Fair 1998 100.8 m 13,612
CLEAR CREEK Colorado Fair 1965 44.3 m 13,608
BEAR CREEK TRIBUTARY Colorado Fair 1982 12.5 m 13,589
Boulder Whiterock Ditch Colorado Fair 1970 7.0 m 13,574
HIGHLINE CANAL Colorado Fair 1987 9.4 m 13,515
BURLINGTON CANAL Colorado Fair 1964 31.0 m 13,500
US 24 BUSS RT Colorado Fair 1969 55.2 m 13,500
FRISCO MAIN STREET Colorado Fair 1971 43.9 m 13,500
BURLINGTON CANAL Colorado Fair 1964 30.2 m 13,500
EL PASO BLV FOUNTAIN CRK Colorado Fair 1969 62.5 m 13,500
COLORADO RIVER Colorado Fair 1965 214.6 m 13,500
US 24 BUSS RT Colorado Fair 1969 55.2 m 13,500
COLORADO RIVER Colorado Good 1989 215.0 m 13,500
PARMALEE GULCH R Colorado Good 1993 12.9 m 13,500
FRISCO MAIN STREET Colorado Fair 1971 43.9 m 13,500

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.