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
COUNTY ROAD 32 Colorado Fair 1961 28.5 m 37,000
CLEAR CREEK Colorado Poor 1965 8.8 m 37,000
BEAR CREEK Colorado Good 2012 51.2 m 37,000
RAMP TO I 25 NBND R Colorado Fair 1991 43.3 m 37,000
LARIMER COUNTY CANAL Colorado Fair 1948 7.4 m 37,000
LENA GULCH Colorado Fair 1981 13.2 m 37,000
RAMP TO I 25 NBND Colorado Good 1990 43.7 m 37,000
NB SH 21 RAMP Colorado Good 2021 59.2 m 37,000
US85/C470ML/UPRR/BNSF Colorado Good 2011 526.9 m 37,000
FOUNTAIN CREEK Colorado Good 2009 113.0 m 37,000
CLEAR CREEK Colorado Poor 1969 47.7 m 37,000
KETTLE CREEK Colorado Fair 2005 139.4 m 37,000
DRAINAGE DITCH AR Colorado Fair 1996 6.1 m 37,000
I 25 ML HOV RAMP Colorado Good 1991 154.8 m 37,000
RAMP TO I 70 ML Colorado Fair 1965 48.7 m 37,000
I 25 ML R Colorado Fair 1991 166.4 m 37,000
COUNTY ROAD 32 Colorado Fair 1961 28.5 m 37,000
KETTLE CREEK Colorado Good 2005 139.6 m 37,000
COUNTY ROAD Colorado Good 1965 48.7 m 37,000
SAND CREEK Colorado Good 2009 37.1 m 36,984
PEDESTRIAN UNDERPASS Colorado Good 2009 21.2 m 36,709
Local Drainage Colorado Good 2002 6.7 m 36,702
Local Drainage Colorado Fair 2003 7.1 m 36,702
COTTONWOOD CREEK Colorado Good 2000 44.2 m 36,527
SOUTH PLATTE RIVER Colorado Good 2018 65.5 m 36,500
SOUTH PLATTE RIVER Colorado Good 2019 65.5 m 36,500
Spring Creek Colorado Fair 1986 26.9 m 36,342
First Creek Colorado Fair 1996 26.7 m 36,174
EAST FORK SAND CREEK Colorado Fair 2000 43.8 m 36,000
PURCELL BLVD Colorado Fair 2022 69.2 m 36,000
UNNAMED DRAINAGE Colorado Fair 1962 7.2 m 36,000
GW RR Colorado Fair 1961 31.5 m 36,000
I 70 BUSS RT Colorado Fair 1958 49.7 m 36,000
GW RR Colorado Fair 1961 31.5 m 36,000
I 25 ML Colorado Fair 1999 70.7 m 36,000
FOREST SERVICE ROAD Colorado Good 2021 14.7 m 36,000
GW RR Colorado Fair 2023 25.1 m 36,000
FOREST SERVICE ROAD Colorado Good 2021 14.7 m 36,000
FOUNTAIN CREEK Colorado Fair 2020 23.6 m 36,000
EAGLE RIDGE BLVD. Colorado Fair 2005 61.0 m 36,000
COUNTY ROAD Colorado Fair 1961 28.5 m 36,000
COUNTY ROAD Colorado Fair 1961 28.5 m 36,000
Local Drainage Colorado Fair 1997 6.3 m 35,615
HIGHLINE CANAL Colorado Fair 1974 12.5 m 35,473
UNNAMED DRAW Colorado Fair 1985 8.1 m 35,365
I 25 ML Colorado Fair 2012 78.5 m 35,245
SH 8 BEAR CREEK Colorado Fair 1989 233.1 m 35,000
UP RR RR SPUR LT RAIL Colorado Fair 2011 57.2 m 35,000
MOSS STREET W 7TH AVE Colorado Poor 1969 31.5 m 35,000
MOSS STREET W 7TH AVE Colorado Fair 1969 31.5 m 35,000

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.