US Bridges

SR-191 over Flaming Gorge Reservoir

FairPosted for load

Daggett County, Utah · SR-191 over Cart Creek · Structure no. 0C 372

Built
1962
63 years old
Condition
Fair
inspected July 2023
Type
Arch - Thru
Steel
Length
564 ft
1 main span
Daily traffic
1,715
2014 count
Owner
State
State Highway Agency

About this bridge

SR-191 over Flaming Gorge Reservoir is a steel arch - thru carrying SR-191 over Flaming Gorge Reservoir in Daggett 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,715 vehicles a day, roughly 41% of them trucks, projected to reach 2,144 by 2034. The structure is 564 ft (171.9 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesSR-191
CrossesFlaming Gorge Reservoir
LocationSR-191 over Cart Creek
RouteU.S. Route 191
CountyDaggett County
StateUtah
Coordinates40.90947, -109.4357
Functional classRural Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.9 US tons
Inventory rating28.5 US tons

Structure

Structure typeArch - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length564 ft (171.9 m)
Longest span550 ft (167.6 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic1,715 (2014)
Projected traffic2,144 by 2034
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-191 over Flaming Gorge Reservoir built?

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

What condition is SR-191 over Flaming Gorge Reservoir 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 July 2023.

How much traffic does SR-191 over Flaming Gorge Reservoir carry?

About 1,715 vehicles per day (2014 count), of which roughly 41% are trucks.

How long is SR-191 over Flaming Gorge Reservoir?

The structure is 564 ft (171.9 m) long with a longest span of 550 ft (167.6 m) and a deck 31 ft wide.

Who owns SR-191 over Flaming Gorge Reservoir?

It is owned by the State Highway Agency.