US Bridges

SR-35 over No. Fork Duchesne River

Good

Duchesne County, Utah · 10 Miles Nw. of Tabonia · Structure no. 0F 650

Built
1998
27 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
584
2022 count
Owner
State
State Highway Agency

About this bridge

SR-35 over No. Fork Duchesne River is a prestressed concrete stringer/multi-beam or girder carrying SR-35 over No. Fork Duchesne River in Duchesne County, Utah. It was built in 1998, so it is 27 years old, younger than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 584 vehicles a day, roughly 22% of them trucks, projected to reach 701 by 2042. The structure is 83 ft (25.3 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesSR-35
CrossesNo. Fork Duchesne River
Location10 Miles Nw. of Tabonia
RouteState Highway 35
CountyDuchesne County
StateUtah
Coordinates40.46278, -110.83389
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length83 ft (25.3 m)
Longest span77 ft (23.5 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic584 (2022)
Projected traffic701 by 2042
Trucks22%
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

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 No. Fork Duchesne River built?

It was built in 1998, making it 27 years old in 2025.

What condition is SR-35 over No. Fork Duchesne River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does SR-35 over No. Fork Duchesne River carry?

About 584 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is SR-35 over No. Fork Duchesne River?

The structure is 83 ft (25.3 m) long with a longest span of 77 ft (23.5 m) and a deck 35 ft wide.

Who owns SR-35 over No. Fork Duchesne River?

It is owned by the State Highway Agency.