US Bridges

County Road 24 over Grand Valley Canal

Fair

Mesa County, Colorado · .8 MI N of RD H · Structure no. MESA-24-H.8

Built
1959
66 years old, rebuilt 1990
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
2,048
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 24 over Grand Valley Canal is a steel stringer/multi-beam or girder carrying County Road 24 over Grand Valley Canal in Mesa County, Colorado. It was built in 1959 and reconstructed in 1990, so it is 66 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,048 vehicles a day, roughly 5% of them trucks, projected to reach 2,396 by 2042. The structure is 24 ft (7.3 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty Road 24
CrossesGrand Valley Canal
Location.8 MI N of RD H
RouteCounty Highway 0
Coordinates39.13175, -108.60808
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28 US tons
Inventory rating16.6 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span20 ft (6.2 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,048 (2022)
Projected traffic2,396 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 24 over Grand Valley Canal built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1990.

What condition is County Road 24 over Grand Valley Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does County Road 24 over Grand Valley Canal carry?

About 2,048 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is County Road 24 over Grand Valley Canal?

The structure is 24 ft (7.3 m) long with a longest span of 20 ft (6.2 m) and a deck 30 ft wide.

Who owns County Road 24 over Grand Valley Canal?

It is owned by the County Highway Agency.