US Bridges

SR-279 & UPRR over Long Canyon Wash

Fair

Grand County, Utah · Near Potash Plant · Structure no. 0E1304

Built
1962
63 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
478
2022 count
Owner
State
State Highway Agency

About this bridge

SR-279 & UPRR over Long Canyon Wash is a concrete continuous culvert carrying SR-279 & UPRR over Long Canyon 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 33 ft (10 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesSR-279 & UPRR
CrossesLong Canyon Wash
LocationNear Potash Plant
RouteState Highway 279
CountyGrand County
StateUtah
Coordinates38.54753, -109.64731
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
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length33 ft (10 m)
Longest span15 ft (4.6 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 and railroad
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 & UPRR over Long Canyon Wash built?

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

What condition is SR-279 & UPRR over Long Canyon 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 & UPRR over Long Canyon Wash carry?

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

How long is SR-279 & UPRR over Long Canyon Wash?

The structure is 33 ft (10 m) long with a longest span of 15 ft (4.6 m).

Who owns SR-279 & UPRR over Long Canyon Wash?

It is owned by the State Highway Agency.