US Bridges

County Road over Duchesne River

Poor

Duchesne County, Utah · 1 Mile Se. of Tabiona · Structure no. 013007C

Built
1942
83 years old, rebuilt 1993
Condition
Poor
inspected April 2024
Type
Truss - Thru
Steel
Length
50 ft
1 main span
Daily traffic
63
2014 count
Owner
County
County Highway Agency

About this bridge

County Road over Duchesne River is a steel truss - thru carrying County Road over Duchesne River in Duchesne County, Utah. It was built in 1942 and reconstructed in 1993, so it is 83 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 63 vehicles a day, projected to reach 77 by 2034. The structure is 50 ft (15.2 m) long and 18 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty Road
CrossesDuchesne River
Location1 Mile Se. of Tabiona
RouteCounty Highway 0
StateUtah
Coordinates40.345, -110.70087
Functional classRural Local

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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.9 US tons
Inventory rating28.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 10
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63 (2014)
Projected traffic77 by 2034
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road over Duchesne River built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1993.

What condition is County Road 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 April 2024.

How much traffic does County Road over Duchesne River carry?

About 63 vehicles per day (2014 count).

How long is County Road over Duchesne River?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 18 ft wide.

Who owns County Road over Duchesne River?

It is owned by the County Highway Agency.