US Bridges

SR-35 over Duchesne River

Fair

Duchesne County, Utah · 16.2 Miles Se.Of Tabiona · Structure no. 0D 561

Built
1958
67 years old
Condition
Fair
inspected May 2023
Type
Frame
Concrete Continuous
Length
132 ft
3 main spans
Daily traffic
783
2022 count
Owner
State
State Highway Agency

About this bridge

SR-35 over Duchesne River is a concrete continuous frame carrying SR-35 over Duchesne River in Duchesne County, Utah. It was built in 1958, so it is 67 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.

It carries about 783 vehicles a day, roughly 24% of them trucks, projected to reach 940 by 2042. The structure is 132 ft (40.2 m) long and 29 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesSR-35
CrossesDuchesne River
Location16.2 Miles Se.Of Tabiona
RouteState Highway 35
CountyDuchesne County
StateUtah
Coordinates40.27083, -110.44306
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.8 US tons
Inventory rating53.9 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length132 ft (40.2 m)
Longest span53 ft (16.2 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 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 1958, making it 67 years old in 2025.

What condition is SR-35 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 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 132 ft (40.2 m) long with a longest span of 53 ft (16.2 m) and a deck 29 ft wide.

Who owns SR-35 over Duchesne River?

It is owned by the State Highway Agency.