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
I 225 ML NBND R Colorado Fair 1976 97.5 m 6,855
EAST SAND CREEK Colorado Fair 2007 89.1 m 6,823
Love/Horse Shoe Canal Colorado Fair 1937 6.6 m 6,823
Dry Creek Colorado Poor 1948 9.1 m 6,817
I 25 ML Colorado Fair 1970 64.5 m 6,808
Transfer Ditch Colorado Fair 1930 8.1 m 6,800
S BLDR DIVERSION CANAL Colorado Fair 2000 7.1 m 6,792
Cache La Poudre River Colorado Fair 1981 31.5 m 6,792
I 25 ML Colorado Poor 1965 51.6 m 6,760
RACE COURT Colorado Good 2018 28.2 m 6,710
DRAW Colorado Fair 1938 8.5 m 6,700
DRAW / STOCK PASS Colorado Good 2008 6.3 m 6,700
BIG SANDY CREEK Colorado Fair 1938 25.6 m 6,700
DRAW Colorado Fair 1938 9.8 m 6,700
DRAW Colorado Good 1937 9.8 m 6,700
CANAL Colorado Fair 1934 6.9 m 6,700
TROUT CREEK Colorado Fair 1937 42.4 m 6,700
MAGEE GULCH Colorado Fair 1937 10.4 m 6,700
DRAW Colorado Fair 1938 8.5 m 6,700
SHIELDS GULCH Colorado Good 1937 10.4 m 6,700
MC ELMO CREEK Colorado Fair 1969 9.3 m 6,700
DRAW Colorado Fair 1938 9.8 m 6,700
N Leach Creek Colorado Good 2022 12.5 m 6,685
EAST PLUM CREEK TRIBUTAR Colorado Good 1986 7.5 m 6,672
Big Thompson River Colorado Fair 1979 20.1 m 6,668
LAKE ELIZABETH Colorado Fair 1998 26.0 m 6,631
SCOTT GULCH Colorado Fair 2002 11.5 m 6,623
W. Flatiron Crossing Colorado Good 2000 46.9 m 6,609
COAL CREEK Colorado Fair 1921 13.4 m 6,600
I25 NWP Colorado Good 2003 244.9 m 6,600
UNCOMPAHGRE RIVER Colorado Good 2013 38.3 m 6,600
BIG DRY CREEK Colorado Poor 1936 21.0 m 6,600
GAME CROSSING Colorado Good 2005 7.5 m 6,600
CHERRY CREEK Colorado Fair 1957 34.3 m 6,594
EAGLE RIVER Colorado Good 2004 40.8 m 6,590
COTTONWOOD CREEK Colorado Fair 1887 16.2 m 6,580
ARKANSAS RIVER Colorado Fair 1975 86.6 m 6,572
Boulder Creek Colorado Fair 1976 38.5 m 6,549
GOLDSMITH GULCH Colorado Good 1992 8.2 m 6,548
COLONY HILLS CANAL Colorado Fair 2020 11.2 m 6,535
GREENWOOD GULCH Colorado Fair 1991 16.5 m 6,528
SULPHUR GULCH | SULPHUR Colorado Fair 2003 59.9 m 6,522
ARKANSAS RIVER Colorado Fair 1959 211.4 m 6,509
HIGHLINE CANAL Colorado Fair 1975 11.3 m 6,506
HIGH LINE CANAL Colorado Good 2017 18.6 m 6,503
PRENTICE GULCH Colorado Good 1992 8.2 m 6,503
GUNNISON RIVER Colorado Fair 1992 100.7 m 6,500
DENVER ROCK ISLAND RR Colorado Good 2020 48.0 m 6,500
GUNNISON RIVER Colorado Fair 1966 93.8 m 6,500
MISSOURI CREEK Colorado Fair 1967 25.0 m 6,500

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.