US Bridges

SR-35 over Duchesne River

Poor

Duchesne County, Utah · 7 Mi.Southeast of Tabiona · Structure no. 0F 209

Built
1967
58 years old
Condition
Poor
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
783
2022 count
Owner
State
State Highway Agency

About this bridge

SR-35 over Duchesne River is a prestressed concrete box beam or girders - multiple carrying SR-35 over Duchesne River in Duchesne County, Utah. It was built in 1967, so it is 58 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 783 vehicles a day, roughly 24% of them trucks, projected to reach 940 by 2042. The structure is 83 ft (25.2 m) long and 30 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesSR-35
CrossesDuchesne River
Location7 Mi.Southeast of Tabiona
RouteState Highway 35
StateUtah
Coordinates40.29972, -110.60389
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length83 ft (25.2 m)
Longest span81 ft (24.7 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic783 (2022)
Projected traffic940 by 2042
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR-35 over Duchesne River built?

It was built in 1967, making it 58 years old in 2025.

What condition is SR-35 over Duchesne River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does SR-35 over Duchesne River carry?

About 783 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is SR-35 over Duchesne River?

The structure is 83 ft (25.2 m) long with a longest span of 81 ft (24.7 m) and a deck 30 ft wide.

Who owns SR-35 over Duchesne River?

It is owned by the State Highway Agency.