US Bridges

County Road over Horse Canyon Wash

Fair

Garfield County, Utah · 20 Miles East of Boulder · Structure no. 017031F

Built
1991
34 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
19
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Horse Canyon Wash is a prestressed concrete tee beam carrying County Road over Horse Canyon Wash in Garfield County, Utah. It was built in 1991, so it is 34 years old, younger than the Utah average of 40.1 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 19 vehicles a day, projected to reach 23 by 2030. The structure is 46 ft (14.1 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCounty Road
CrossesHorse Canyon Wash
Location20 Miles East of Boulder
RouteCounty Highway 1668
CountyGarfield County
StateUtah
Coordinates37.91514, -111.20584
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length46 ft (14.1 m)
Longest span45 ft (13.7 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19 (2010)
Projected traffic23 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road over Horse Canyon Wash built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road over Horse Canyon Wash 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 July 2024.

How much traffic does County Road over Horse Canyon Wash carry?

About 19 vehicles per day (2010 count).

How long is County Road over Horse Canyon Wash?

The structure is 46 ft (14.1 m) long with a longest span of 45 ft (13.7 m) and a deck 33 ft wide.

Who owns County Road over Horse Canyon Wash?

It is owned by the County Highway Agency.