US Bridges

US 371 LM12.34 S-7 over Dorchet Creek

Good

Columbia County, Arkansas · 10.9 MI SW Magnolia · Structure no. 000000000006122

Built
1986
39 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete
Length
280 ft
8 main spans
Daily traffic
1,900
2018 count
Owner
State
State Highway Agency

About this bridge

US 371 LM12.34 S-7 over Dorchet Creek is a concrete slab carrying US 371 LM12.34 S-7 over Dorchet Creek in Columbia County, Arkansas. It was built in 1986, so it is 39 years old, younger than the Arkansas average of 45.1 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.

It carries about 1,900 vehicles a day, roughly 9% of them trucks, projected to reach 2,000 by 2038. The structure is 280 ft (85.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 371 LM12.34 S-7
CrossesDorchet Creek
Location10.9 MI SW Magnolia
RouteU.S. Route 371
Coordinates33.20683, -93.39246
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span35 ft (10.7 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2018)
Projected traffic2,000 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 371 LM12.34 S-7 over Dorchet Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is US 371 LM12.34 S-7 over Dorchet 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 January 2025.

How much traffic does US 371 LM12.34 S-7 over Dorchet Creek carry?

About 1,900 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is US 371 LM12.34 S-7 over Dorchet Creek?

The structure is 280 ft (85.3 m) long with a longest span of 35 ft (10.7 m) and a deck 43 ft wide.

Who owns US 371 LM12.34 S-7 over Dorchet Creek?

It is owned by the State Highway Agency.