US Bridges

County Road over Duchesne River

FairPosted for load

Duchesne County, Utah · 1.5 Mile Se. of Hanna · Structure no. 013002F

Built
1965
60 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
69
2014 count
Owner
County
County Highway Agency

About this bridge

County Road over Duchesne River is a prestressed concrete box beam or girders - multiple carrying County Road over Duchesne River in Duchesne County, Utah. It was built in 1965, so it is 60 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 69 vehicles a day, projected to reach 84 by 2034. The structure is 62 ft (18.9 m) long and 12 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesCounty Road
CrossesDuchesne River
Location1.5 Mile Se. of Hanna
RouteCounty Highway 1558
CountyDuchesne County
StateUtah
Coordinates40.41522, -110.78267
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.9 US tons
Inventory rating0 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length62 ft (18.9 m)
Longest span61 ft (18.6 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2014)
Projected traffic84 by 2034
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Duchesne River built?

It was built in 1965, making it 60 years old in 2025.

What condition is County Road over Duchesne River 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 April 2024.

How much traffic does County Road over Duchesne River carry?

About 69 vehicles per day (2014 count).

How long is County Road over Duchesne River?

The structure is 62 ft (18.9 m) long with a longest span of 61 ft (18.6 m) and a deck 12 ft wide.

Who owns County Road over Duchesne River?

It is owned by the County Highway Agency.