US Bridges

Tabby Swale Road over Duchesne River

Fair

Duchesne County, Utah · 0.5 Mile Se. of Hanna · Structure no. 013001F

Built
1965
60 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
13
2014 count
Owner
County
County Highway Agency

About this bridge

Tabby Swale Road over Duchesne River is a prestressed concrete box beam or girders - multiple carrying Tabby Swale Road over Duchesne River in Duchesne County, Utah. It was built in 1965, so it is 60 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 6 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 13 vehicles a day, projected to reach 15 by 2034. The structure is 62 ft (18.9 m) long and 12 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesTabby Swale Road
CrossesDuchesne River
Location0.5 Mile Se. of Hanna
RouteCounty Highway 0
CountyDuchesne County
StateUtah
Coordinates40.42381, -110.80042
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length62 ft (18.9 m)
Longest span61 ft (18.6 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13 (2014)
Projected traffic15 by 2034
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Tabby Swale Road over Duchesne River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Tabby Swale Road 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 April 2024.

How much traffic does Tabby Swale Road over Duchesne River carry?

About 13 vehicles per day (2014 count).

How long is Tabby Swale Road over Duchesne River?

The structure is 62 ft (18.9 m) long with a longest span of 61 ft (18.6 m) and a deck 12 ft wide.

Who owns Tabby Swale Road over Duchesne River?

It is owned by the County Highway Agency.