US Bridges

SR-142 over Clarkston Creek

FairPosted for load

Cache County, Utah · E. Edge of Clarkston · Structure no. 0E1045

Built
1956
69 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
445
2014 count
Owner
State
State Highway Agency

About this bridge

SR-142 over Clarkston Creek is a concrete culvert carrying SR-142 over Clarkston Creek in Cache County, Utah. It was built in 1956, so it is 69 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 445 vehicles a day, roughly 24% of them trucks, projected to reach 557 by 2034. The structure is 22 ft (6.7 m) long and 36 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesSR-142
CrossesClarkston Creek
LocationE. Edge of Clarkston
RouteState Highway 142
CountyCache County
StateUtah
Coordinates41.91753, -111.95817
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating21.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic445 (2014)
Projected traffic557 by 2034
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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-142 over Clarkston Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is SR-142 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 July 2023.

How much traffic does SR-142 over Clarkston Creek carry?

About 445 vehicles per day (2014 count), of which roughly 24% are trucks.

How long is SR-142 over Clarkston Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 36 ft wide.

Who owns SR-142 over Clarkston Creek?

It is owned by the State Highway Agency.