US Bridges

County Road over Argyle Creek

Fair

Carbon County, Utah · 35 MI No. Soldier Cr. JCT · Structure no. 007023D

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

About this bridge

County Road over Argyle Creek is a concrete frame carrying County Road over Argyle 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.

It carries about 63 vehicles a day, roughly 5% of them trucks, projected to reach 77 by 2030. The structure is 46 ft (13.9 m) long and 52 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCounty Road
CrossesArgyle Creek
Location35 MI No. Soldier Cr. JCT
RouteCounty Highway 1300
StateUtah
Coordinates39.80339, -110.35325
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length46 ft (13.9 m)
Longest span40 ft (12.2 m)
Deck width52 ft (15.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic63 (2010)
Projected traffic77 by 2030
Trucks5%
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 Argyle Creek built?

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

What condition is County Road over Argyle 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 Argyle Creek carry?

About 63 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is County Road over Argyle Creek?

The structure is 46 ft (13.9 m) long with a longest span of 40 ft (12.2 m) and a deck 52 ft wide.

Who owns County Road over Argyle Creek?

It is owned by the County Highway Agency.