US Bridges

County Road over Clarkston Creek

Fair

Cache County, Utah · 0.2 Mi. No. of Clarkston · Structure no. 005041D

Built
1991
34 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
189
2010 count
Owner
County
County Highway Agency

About this bridge

County Road over Clarkston Creek is a concrete culvert carrying County Road over Clarkston Creek in Cache County, Utah. It was built in 1991, so it is 34 years old, younger 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 189 vehicles a day, roughly 1% of them trucks, projected to reach 230 by 2030. The structure is 23 ft (6.9 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCounty Road
CrossesClarkston Creek
Location0.2 Mi. No. of Clarkston
RouteCounty Highway 0
CountyCache County
StateUtah
Coordinates41.92911, -112.04458
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be 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 rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length23 ft (6.9 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic189 (2010)
Projected traffic230 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Clarkston Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road over Clarkston 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 May 2024.

How much traffic does County Road over Clarkston Creek carry?

About 189 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is County Road over Clarkston Creek?

The structure is 23 ft (6.9 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns County Road over Clarkston Creek?

It is owned by the County Highway Agency.