US Bridges

County Road 45 over Colorado River

Good

Mesa County, Colorado · .3 MI N of I-70 (debeque) · Structure no. MESA-V.5-45.3A

Built
1962
63 years old, rebuilt 2008
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
418 ft
4 main spans
Daily traffic
1,633
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

County Road 45 over Colorado River is a steel continuous stringer/multi-beam or girder carrying County Road 45 over Colorado River in Mesa County, Colorado. It was built in 1962 and reconstructed in 2008, so it is 63 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,633 vehicles a day, roughly 2% of them trucks, projected to reach 1,910 by 2042. The structure is 418 ft (127.4 m) long and 44 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Road 45
CrossesColorado River
Location.3 MI N of I-70 (debeque)
RouteCity Street 0
Coordinates39.33158, -108.2088
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.2 US tons
Inventory rating34.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length418 ft (127.4 m)
Longest span121 ft (37 m)
Deck width44 ft (13.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,633 (2022)
Projected traffic1,910 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 45 over Colorado River built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2008.

What condition is County Road 45 over Colorado River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does County Road 45 over Colorado River carry?

About 1,633 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 45 over Colorado River?

The structure is 418 ft (127.4 m) long with a longest span of 121 ft (37 m) and a deck 44 ft wide.

Who owns County Road 45 over Colorado River?

It is owned by the Town or Township Highway Agency.