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
Colorado River Colorado Fair 1975 71.0 m 599
KYLE RR AR Colorado Fair 1975 48.2 m 598
LENA GULCH TRIBUTARY Colorado Fair 1978 9.0 m 596
ROCKY FORD CANAL Colorado Fair 1941 7.3 m 596
CORNET CREEK Colorado Good 1988 8.2 m 596
WETLANDS Colorado Fair 2019 16.5 m 595
REILLY CANYON CREEK Colorado Poor 1926 19.1 m 592
IRONSTONE CANAL Colorado Good 1996 13.2 m 591
Buckhorn Creek Colorado Good 2015 20.3 m 591
Buckhorn Creek Colorado Good 2015 8.4 m 591
Buckhorn Creek Colorado Good 2015 10.4 m 591
PARACHUTE CREEK Colorado Good 2015 24.1 m 591
COAL CREEK Colorado Fair 1990 14.3 m 590
IRONSTONE CANAL Colorado Poor 1963 9.1 m 590
Lone Tree Annex Overflow Colorado Fair 1982 7.2 m 588
Four Mile Creek Colorado Good 2019 6.9 m 587
I 25 NBND R Colorado Good 1993 189.0 m 587
SAN MIGUEL RIVER Colorado Fair 1985 25.0 m 586
RALSTON CREEK Colorado Fair 1965 6.7 m 585
Colorado River Colorado Fair 1985 92.8 m 585
N. Fork Big Thompson Colorado Good 2016 16.2 m 585
DRAW Colorado Poor 1949 14.6 m 580
HELL CREEK Colorado Fair 1960 47.4 m 580
DRY CREEK Colorado Fair 1947 11.2 m 580
MONTROSE AND DELTA CANAL Colorado Fair 1925 12.6 m 579
Elk River Colorado Fair 1985 35.2 m 579
PURGATOIRE RIVER Colorado Good 1985 61.9 m 579
Lone Tree Creek Colorado Fair 1998 11.9 m 579
AMITY CANAL Colorado Poor 1979 12.3 m 578
RALSTON CREEK Colorado Fair 1950 7.3 m 576
Buckhorn Creek Colorado Good 2015 9.4 m 576
Boulder & Whiterock Dtch Colorado Fair 1973 6.2 m 574
EAST HARVARD GULCH Colorado Good 1967 9.2 m 574
GORE CREEK Colorado Good 1990 13.7 m 574
FLORIDA RIVER Colorado Good 1994 20.0 m 572
HENRYLYNN CANAL Colorado Fair 2006 23.5 m 572
Boulder Creek Colorado Fair 1983 38.6 m 572
Lone Tree Creek Colorado Fair 1981 7.3 m 572
Larimer and Weld Canal Colorado Good 1992 15.0 m 572
BEAR CREEK Colorado Fair 1970 6.1 m 570
GRAPE CREEK Colorado Good 2018 7.3 m 570
SAND CREEK Colorado Fair 1960 59.4 m 570
DRAW Colorado Fair 1938 11.2 m 570
DRAW Colorado Fair 1938 6.4 m 570
DUCK CREEK Colorado Good 1969 23.5 m 570
BOB CREEK CANAL Colorado Fair 1955 14.6 m 570
POND CREEK Colorado Fair 1978 52.7 m 570
DRAW Colorado Good 1993 6.4 m 570
New Cache La Poudre Cana Colorado Fair 1960 7.6 m 570
Lone Tree Creek Colorado Fair 1981 12.1 m 570

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.