US Bridges

County Road over Minnie Maud Creek

FairPosted for load

Carbon County, Utah · 21 Mi.No. Soldier Cr. JCT · Structure no. 007022D

Built
1955
70 years old
Condition
Fair
inspected June 2024
Type
Frame
Concrete
Length
45 ft
1 main span
Daily traffic
63
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Minnie Maud Creek is a concrete frame carrying County Road over Minnie Maud Creek in Carbon County, Utah. It was built in 1955, so it is 70 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. Its operating status is: posted for load restriction.

It carries about 63 vehicles a day, roughly 80% of them trucks, projected to reach 77 by 2030. The structure is 45 ft (13.6 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesCounty Road
CrossesMinnie Maud Creek
Location21 Mi.No. Soldier Cr. JCT
RouteCounty Highway 1300
CountyCarbon County
StateUtah
Coordinates39.77506, -110.51011
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length45 ft (13.6 m)
Longest span40 ft (12.2 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63 (2010)
Projected traffic77 by 2030
Trucks80%
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

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 Minnie Maud Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is County Road over Minnie Maud 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 June 2024.

How much traffic does County Road over Minnie Maud Creek carry?

About 63 vehicles per day (2010 count), of which roughly 80% are trucks.

How long is County Road over Minnie Maud Creek?

The structure is 45 ft (13.6 m) long with a longest span of 40 ft (12.2 m) and a deck 34 ft wide.

Who owns County Road over Minnie Maud Creek?

It is owned by the County Highway Agency.