US Bridges

County Road I over Grand Valley Canal

Good

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

Built
2001
24 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
1,637
2022 count
Owner
County
County Highway Agency

About this bridge

County Road I over Grand Valley Canal is a prestressed concrete box beam or girders - multiple carrying County Road I over Grand Valley Canal in Mesa County, Colorado. It was built in 2001, so it is 24 years old, younger 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 1,637 vehicles a day, roughly 5% of them trucks, projected to reach 1,915 by 2042. The structure is 49 ft (14.9 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road I
CrossesGrand Valley Canal
Location.1 MI E of RD 24
RouteCounty Highway 0
Coordinates39.13533, -108.60714
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.6 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span44 ft (13.4 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,637 (2022)
Projected traffic1,915 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 I over Grand Valley Canal built?

It was built in 2001, making it 24 years old in 2025.

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

About 1,637 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is County Road I over Grand Valley Canal?

The structure is 49 ft (14.9 m) long with a longest span of 44 ft (13.4 m) and a deck 44 ft wide.

Who owns County Road I over Grand Valley Canal?

It is owned by the County Highway Agency.