US Bridges

County Road H over Grand Valley Canal

Fair

Mesa County, Colorado · .1 MI E of RD 24 · Structure no. MESA-H-24.1

Built
1962
63 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
2,336
2022 count
Owner
County
County Highway Agency

About this bridge

County Road H over Grand Valley Canal is a concrete slab carrying County Road H over Grand Valley Canal in Mesa County, Colorado. It was built in 1962, 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 fair condition with a lowest component rating of 6 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 2,336 vehicles a day, roughly 5% of them trucks, projected to reach 2,733 by 2042. The structure is 25 ft (7.6 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCounty Road H
CrossesGrand Valley Canal
Location.1 MI E of RD 24
RouteCounty Highway 0
CountyMesa County
StateColorado
Coordinates39.1208, -108.60633
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,336 (2022)
Projected traffic2,733 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 H over Grand Valley Canal built?

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

What condition is County Road H 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 H over Grand Valley Canal carry?

About 2,336 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is County Road H over Grand Valley Canal?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 30 ft wide.

Who owns County Road H over Grand Valley Canal?

It is owned by the County Highway Agency.