US Bridges

SR-29 over Grimes Wash

Fair

Emery County, Utah · 2.8 Mi.W.Orangeville JCT · Structure no. 0D 608

Built
1954
71 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
64 ft
1 main span
Daily traffic
400
2022 count
Owner
State
State Highway Agency

About this bridge

SR-29 over Grimes Wash is a concrete tee beam carrying SR-29 over Grimes Wash in Emery County, Utah. It was built in 1954, so it is 71 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 400 vehicles a day, roughly 37% of them trucks, projected to reach 480 by 2042. The structure is 64 ft (19.4 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR-29
CrossesGrimes Wash
Location2.8 Mi.W.Orangeville JCT
RouteState Highway 29
CountyEmery County
StateUtah
Coordinates39.25257, -111.09436
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating16.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length64 ft (19.4 m)
Longest span46 ft (14 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic480 by 2042
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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-29 over Grimes Wash built?

It was built in 1954, making it 71 years old in 2025.

What condition is SR-29 over Grimes 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 August 2023.

How much traffic does SR-29 over Grimes Wash carry?

About 400 vehicles per day (2022 count), of which roughly 37% are trucks.

How long is SR-29 over Grimes Wash?

The structure is 64 ft (19.4 m) long with a longest span of 46 ft (14 m) and a deck 28 ft wide.

Who owns SR-29 over Grimes Wash?

It is owned by the State Highway Agency.