US Bridges

US 371- 05 - 2.91 over Onion Creek

Good

Nevada County, Arkansas · 2.5 MI S JCT US 371 · Structure no. 000000000005444

Built
1971
54 years old
Condition
Good
inspected February 2022
Type
Slab
Concrete
Length
120 ft
4 main spans
Daily traffic
2,200
2018 count
Owner
State
State Highway Agency

About this bridge

US 371- 05 - 2.91 over Onion Creek is a concrete slab carrying US 371- 05 - 2.91 over Onion Creek in Nevada County, Arkansas. It was built in 1971, so it is 54 years old, older 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 2,200 vehicles a day, roughly 15% of them trucks, projected to reach 2,400 by 2038. The structure is 120 ft (36.6 m) long and 35 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS 371- 05 - 2.91
CrossesOnion Creek
Location2.5 MI S JCT US 371
RouteU.S. Route 371
Coordinates33.7591, -93.38585
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 inspectionFebruary 2022
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2018)
Projected traffic2,400 by 2038
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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- 05 - 2.91 over Onion Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is US 371- 05 - 2.91 over Onion 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 February 2022.

How much traffic does US 371- 05 - 2.91 over Onion Creek carry?

About 2,200 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is US 371- 05 - 2.91 over Onion Creek?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.

Who owns US 371- 05 - 2.91 over Onion Creek?

It is owned by the State Highway Agency.