US Bridges

County Road over Evacuation Wash

Fair

Uintah County, Utah · 14 Miles South of Bonanza · Structure no. 047049F

Built
1969
56 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
45
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Evacuation Wash is a prestressed concrete box beam or girders - multiple carrying County Road over Evacuation Wash in Uintah County, Utah. It was built in 1969, so it is 56 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 45 vehicles a day, projected to reach 55 by 2030. The structure is 77 ft (23.6 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty Road
CrossesEvacuation Wash
Location14 Miles South of Bonanza
RouteCounty Highway 2781
StateUtah
Coordinates39.83556, -109.12378
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating60.7 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length77 ft (23.6 m)
Longest span74 ft (22.7 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic45 (2010)
Projected traffic55 by 2030
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 County Road over Evacuation Wash built?

It was built in 1969, making it 56 years old in 2025.

What condition is County Road over Evacuation Wash 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 County Road over Evacuation Wash carry?

About 45 vehicles per day (2010 count).

How long is County Road over Evacuation Wash?

The structure is 77 ft (23.6 m) long with a longest span of 74 ft (22.7 m) and a deck 15 ft wide.

Who owns County Road over Evacuation Wash?

It is owned by the County Highway Agency.