US Bridges

County Road 36.25 over Grand Valley Canal

Fair

Mesa County, Colorado · .5 MI S of US 6 · Structure no. MESA-36.25-F.5

Built
1968
57 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
163
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 36.25 over Grand Valley Canal is a prestressed concrete tee beam carrying County Road 36.25 over Grand Valley Canal in Mesa County, Colorado. It was built in 1968, so it is 57 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 163 vehicles a day, roughly 2% of them trucks, projected to reach 191 by 2042. The structure is 42 ft (12.8 m) long and 20 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesCounty Road 36.25
CrossesGrand Valley Canal
Location.5 MI S of US 6
RouteCounty Highway 0
CountyMesa County
StateColorado
Coordinates39.10044, -108.38019
Functional classUrban Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.8 US tons
Inventory rating22.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span40 ft (12.1 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic163 (2022)
Projected traffic191 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$135,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 36.25 over Grand Valley Canal built?

It was built in 1968, making it 57 years old in 2025.

What condition is County Road 36.25 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 February 2024.

How much traffic does County Road 36.25 over Grand Valley Canal carry?

About 163 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 36.25 over Grand Valley Canal?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.1 m) and a deck 20 ft wide.

Who owns County Road 36.25 over Grand Valley Canal?

It is owned by the County Highway Agency.