US Bridges

US-191 (SR-191) over Phosphate Mine Road

Good

Uintah County, Utah · 17 Miles North of Vernal · Structure no. 0V1607

Built
1985
40 years old
Condition
Good
inspected July 2023
Type
Culvert
Steel
Length
40 ft
1 main span
Daily traffic
1,461
2017 count
Owner
State
State Highway Agency

About this bridge

US-191 (SR-191) over Phosphate Mine Road is a steel culvert carrying US-191 (SR-191) over Phosphate Mine Road in Uintah County, Utah. It was built in 1985, so it is 40 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 1,461 vehicles a day, roughly 29% of them trucks, projected to reach 1,753 by 2037. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesUS-191 (SR-191)
CrossesPhosphate Mine Road
Location17 Miles North of Vernal
RouteU.S. Route 191
CountyUintah County
StateUtah
Coordinates40.62408, -109.47339
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating32.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,461 (2017)
Projected traffic1,753 by 2037
Trucks29%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 US-191 (SR-191) over Phosphate Mine Road built?

It was built in 1985, making it 40 years old in 2025.

What condition is US-191 (SR-191) over Phosphate Mine Road 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 July 2023.

How much traffic does US-191 (SR-191) over Phosphate Mine Road carry?

About 1,461 vehicles per day (2017 count), of which roughly 29% are trucks.

How long is US-191 (SR-191) over Phosphate Mine Road?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m).

Who owns US-191 (SR-191) over Phosphate Mine Road?

It is owned by the State Highway Agency.