US Bridges

US 71 Benton 1 over Pinion CR

Fair

Benton County, Arkansas · .25 MI S JCT SH 340-US 71 · Structure no. 000000000002158

Built
1940
85 years old, rebuilt 1976
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
94 ft
3 main spans
Daily traffic
34,000
2018 count
Owner
State
State Highway Agency

About this bridge

US 71 Benton 1 over Pinion CR is a concrete slab carrying US 71 Benton 1 over Pinion CR in Benton County, Arkansas. It was built in 1940 and reconstructed in 1976, so it is 85 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 34,000 vehicles a day, roughly 1% of them trucks, projected to reach 47,950 by 2028. The structure is 94 ft (28.7 m) long and 90 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS 71 Benton 1
CrossesPinion CR
Location.25 MI S JCT SH 340-US 71
RouteU.S. Route 71
Coordinates36.47097, -94.24398
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span32 ft (9.8 m)
Deck width90 ft (27.4 m)
Roadway width87 ft (26.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,000 (2018)
Projected traffic47,950 by 2028
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 71 Benton 1 over Pinion CR built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1976.

What condition is US 71 Benton 1 over Pinion CR 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 US 71 Benton 1 over Pinion CR carry?

About 34,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is US 71 Benton 1 over Pinion CR?

The structure is 94 ft (28.7 m) long with a longest span of 32 ft (9.8 m) and a deck 90 ft wide.

Who owns US 71 Benton 1 over Pinion CR?

It is owned by the State Highway Agency.