US Bridges

County Road over Strawberry River

FairPosted for load

Duchesne County, Utah · 8 Miles West of Duchesne · Structure no. 013047F

Built
1972
53 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
134 ft
2 main spans
Daily traffic
100
2014 count
Owner
County
County Highway Agency

About this bridge

County Road over Strawberry River is a prestressed concrete stringer/multi-beam or girder carrying County Road over Strawberry River in Duchesne County, Utah. It was built in 1972, so it is 53 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 100 vehicles a day, roughly 20% of them trucks, projected to reach 125 by 2034. The structure is 134 ft (40.8 m) long and 23 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesCounty Road
CrossesStrawberry River
Location8 Miles West of Duchesne
RouteCounty Highway 1557
StateUtah
Coordinates40.15645, -110.54649
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.
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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating10.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length134 ft (40.8 m)
Longest span64 ft (19.5 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2014)
Projected traffic125 by 2034
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Strawberry River built?

It was built in 1972, making it 53 years old in 2025.

What condition is County Road over Strawberry 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 Strawberry River carry?

About 100 vehicles per day (2014 count), of which roughly 20% are trucks.

How long is County Road over Strawberry River?

The structure is 134 ft (40.8 m) long with a longest span of 64 ft (19.5 m) and a deck 23 ft wide.

Who owns County Road over Strawberry River?

It is owned by the County Highway Agency.