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
LEMON GULCH | LEMON GULC Colorado Good 2021 45.8 m 10,690
RALSTON CREEK | RALSTON Colorado Good 1996 72.0 m 10,681
Upper Platte Beaver Cana Colorado Fair 2000 9.8 m 10,679
BLUE RIVER Colorado Fair 1985 20.4 m 10,668
COTTONWOOD CREEK Colorado Fair 1978 19.4 m 10,611
Greeley No. 3 Ditch Colorado Good 1976 7.4 m 10,593
BRANTNER GULCH Colorado Fair 1979 7.3 m 10,591
BRANTNER DITCH Colorado Fair 1940 7.0 m 10,583
FOUNTAIN CREEK Colorado Fair 1958 35.8 m 10,578
US 40 FRONTAGE RD Colorado Poor 1965 28.5 m 10,527
OBRIAN CANAL Colorado Fair 2010 29.1 m 10,521
COUNTY ROAD 49 Colorado Good 2000 48.8 m 10,500
COLORADO RIVER Colorado Fair 1975 135.4 m 10,500
COUNTY ROAD 49 Colorado Fair 2000 48.5 m 10,500
DRY CREEK Colorado Fair 1975 25.1 m 10,500
BOX ELDER CRK FRM ACC. R Colorado Good 2000 70.4 m 10,500
HIGHLINE CANAL Colorado Fair 1935 8.9 m 10,500
COLORADO RIVER Colorado Fair 1975 135.4 m 10,500
MAMM CREEK Colorado Good 1977 21.5 m 10,500
MAMM CREEK Colorado Fair 1977 21.6 m 10,500
DRY CREEK Colorado Good 1975 25.1 m 10,500
KIOWA CREEK Colorado Fair 1992 159.1 m 10,500
KIOWA CREEK Colorado Fair 1991 159.1 m 10,500
BOX ELDER CRK FRM. ACCES Colorado Fair 2000 70.4 m 10,500
Skunk Creek Colorado Good 2008 6.1 m 10,468
Boulder Creek Colorado Good 1988 27.1 m 10,452
I-225 Colorado Good 2013 55.2 m 10,438
HIGHLINE CANAL Colorado Fair 1994 15.2 m 10,425
EAGLE RIVER Colorado Good 1999 51.7 m 10,419
Boulder Cr. Supply Ditch Colorado Good 1996 6.2 m 10,395
Whiterock Ditch Colorado Fair 1996 6.4 m 10,395
I-25 Colorado Good 2003 99.5 m 10,394
LENA GULCH Colorado Fair 1975 12.9 m 10,393
SECOND CREEK Colorado Fair 2014 24.1 m 10,390
S. Goose Creek Drainage Colorado Fair 1986 22.9 m 10,375
Coal Creek Colorado Fair 1927 14.0 m 10,350
TOLLGATE CREEK Colorado Fair 1994 6.3 m 10,350
SECOND CREEK Colorado Fair 1995 9.2 m 10,327
BEAR CREEK Colorado Fair 1974 24.7 m 10,318
LEYDEN CREEK Colorado Fair 2007 21.4 m 10,304
E-470 Colorado Good 1996 70.9 m 10,300
HIGHLINE CANAL Colorado Fair 1972 10.1 m 10,288
E-470 Colorado Good 1996 77.4 m 10,200
Whitney Ditch Colorado Fair 1981 6.6 m 10,186
WESTERLY CREEK Colorado Good 2014 21.9 m 10,147
CHERRY CREEK | COLORADO Colorado Good 2008 187.6 m 10,120
ANIMAS RIVER Colorado Fair 1974 45.4 m 10,111
CLEAR CREEK Colorado Fair 1973 51.2 m 10,092
Left Hand Creek Colorado Fair 2003 20.9 m 10,085
I 25 ML Colorado Good 2011 72.8 m 10,083

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.