US Bridges

US-191 (SR-191) over Mill Creek

Fair

Grand County, Utah · In City of Moab · Structure no. 0D 590

Built
1956
69 years old
Condition
Fair
inspected September 2023
Type
Frame
Concrete
Length
74 ft
1 main span
Daily traffic
20,310
2022 count
Owner
State
State Highway Agency

About this bridge

US-191 (SR-191) over Mill Creek is a concrete frame carrying US-191 (SR-191) over Mill Creek in Grand County, Utah. It was built in 1956, so it is 69 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 20,310 vehicles a day, roughly 35% of them trucks, projected to reach 24,372 by 2042. The structure is 74 ft (22.6 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-191 (SR-191)
CrossesMill Creek
LocationIn City of Moab
RouteU.S. Route 191
StateUtah
Coordinates38.57093, -109.55066
Functional classUrban Other Principal 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating20 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length74 ft (22.6 m)
Longest span66 ft (20.2 m)
Deck width80 ft (24.4 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,310 (2022)
Projected traffic24,372 by 2042
Trucks35%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Mill Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is US-191 (SR-191) over Mill Creek 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 US-191 (SR-191) over Mill Creek carry?

About 20,310 vehicles per day (2022 count), of which roughly 35% are trucks.

How long is US-191 (SR-191) over Mill Creek?

The structure is 74 ft (22.6 m) long with a longest span of 66 ft (20.2 m) and a deck 80 ft wide.

Who owns US-191 (SR-191) over Mill Creek?

It is owned by the State Highway Agency.