US Bridges

SR-279 over Unnamed Wash

Fair

Grand County, Utah · 3.9 Mi.N.Of Potash Plant · Structure no. 0V2059

Built
1962
63 years old
Condition
Fair
inspected September 2023
Type
Culvert
Steel
Length
34 ft
3 main spans
Daily traffic
478
2022 count
Owner
State
State Highway Agency

About this bridge

SR-279 over Unnamed Wash is a steel culvert carrying SR-279 over Unnamed Wash in Grand County, Utah. It was built in 1962, so it is 63 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 478 vehicles a day, roughly 41% of them trucks, projected to reach 574 by 2042. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesSR-279
CrossesUnnamed Wash
Location3.9 Mi.N.Of Potash Plant
RouteState Highway 279
CountyGrand County
StateUtah
Coordinates38.57353, -109.65356
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating89.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 15
Structure length34 ft (10.4 m)
Longest span13 ft (4.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic478 (2022)
Projected traffic574 by 2042
Trucks41%
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-279 over Unnamed Wash built?

It was built in 1962, making it 63 years old in 2025.

What condition is SR-279 over Unnamed 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 September 2023.

How much traffic does SR-279 over Unnamed Wash carry?

About 478 vehicles per day (2022 count), of which roughly 41% are trucks.

How long is SR-279 over Unnamed Wash?

The structure is 34 ft (10.4 m) long with a longest span of 13 ft (4.1 m).

Who owns SR-279 over Unnamed Wash?

It is owned by the State Highway Agency.