US Bridges

SR-279 over Potash Plant Wash

Good

Grand County, Utah · .1 Mi. N. of Potash Plant · Structure no. 0V1720

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Culvert
Steel
Length
33 ft
4 main spans
Daily traffic
478
2022 count
Owner
State
State Highway Agency

About this bridge

SR-279 over Potash Plant Wash is a steel culvert carrying SR-279 over Potash Plant Wash in Grand County, Utah. It was built in 2013, so it is 12 years old, younger than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 478 vehicles a day, roughly 41% of them trucks, projected to reach 574 by 2042. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesSR-279
CrossesPotash Plant Wash
Location.1 Mi. N. of Potash Plant
RouteState Highway 279
CountyGrand County
StateUtah
Coordinates38.52722, -109.65556
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating106.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHL 93
Structure length33 ft (10.1 m)
Longest span6 ft (1.8 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 closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-279 over Potash Plant Wash built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR-279 over Potash Plant Wash in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does SR-279 over Potash Plant Wash carry?

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

How long is SR-279 over Potash Plant Wash?

The structure is 33 ft (10.1 m) long with a longest span of 6 ft (1.8 m).

Who owns SR-279 over Potash Plant Wash?

It is owned by the State Highway Agency.