US Bridges

County Road over Muddy Creek

GoodPosted for load

Emery County, Utah · 7 Mi.S.Of S.Salt Wash Int · Structure no. 015042E

Built
2023
2 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
31 ft
1 main span
Daily traffic
3
2021 count
Owner
County
County Highway Agency

About this bridge

County Road over Muddy Creek is a concrete culvert carrying County Road over Muddy Creek in Emery County, Utah. It was built in 2023, so it is 2 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. Its operating status is: posted for load restriction.

It carries about 3 vehicles a day, projected to reach 5 by 2041. The structure is 31 ft (9.4 m) long and 22 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesCounty Road
CrossesMuddy Creek
Location7 Mi.S.Of S.Salt Wash Int
RouteCounty Highway 923
CountyEmery County
StateUtah
Coordinates38.76471, -111.12701
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length31 ft (9.4 m)
Longest span29 ft (8.7 m)
Deck width22 ft (6.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3 (2021)
Projected traffic5 by 2041
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road over Muddy Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is County Road over Muddy Creek 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 June 2024.

How much traffic does County Road over Muddy Creek carry?

About 3 vehicles per day (2021 count).

How long is County Road over Muddy Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.7 m) and a deck 22 ft wide.

Who owns County Road over Muddy Creek?

It is owned by the County Highway Agency.