US Bridges

County Road 24.5 over Grand Valley Canal

Fair

Mesa County, Colorado · .5 MI N of RD H · Structure no. MESA-24.5-H.5A

Built
1987
38 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
533
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 24.5 over Grand Valley Canal is a steel stringer/multi-beam or girder carrying County Road 24.5 over Grand Valley Canal in Mesa County, Colorado. It was built in 1987, so it is 38 years old, younger 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 533 vehicles a day, roughly 2% of them trucks, projected to reach 623 by 2042. The structure is 30 ft (9.2 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCounty Road 24.5
CrossesGrand Valley Canal
Location.5 MI N of RD H
RouteCounty Highway 0
CountyMesa County
StateColorado
Coordinates39.12894, -108.59877
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span29 ft (8.7 m)
Deck width33 ft (10 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic533 (2022)
Projected traffic623 by 2042
Trucks2%
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 24.5 over Grand Valley Canal built?

It was built in 1987, making it 38 years old in 2025.

What condition is County Road 24.5 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 24.5 over Grand Valley Canal carry?

About 533 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 24.5 over Grand Valley Canal?

The structure is 30 ft (9.2 m) long with a longest span of 29 ft (8.7 m) and a deck 33 ft wide.

Who owns County Road 24.5 over Grand Valley Canal?

It is owned by the County Highway Agency.