US Bridges

SH 12 Benton 1 over Prairie Creek

Fair

Benton County, Arkansas · 1.91 MI E JCT US 62 · Structure no. 0000000000M0360

Built
1964
61 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
13,000
2018 count
Owner
State
State Highway Agency

About this bridge

SH 12 Benton 1 over Prairie Creek is a concrete culvert carrying SH 12 Benton 1 over Prairie Creek in Benton County, Arkansas. It was built in 1964, so it is 61 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 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 13,000 vehicles a day, roughly 2% of them trucks, projected to reach 18,334 by 2028. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSH 12 Benton 1
CrossesPrairie Creek
Location1.91 MI E JCT US 62
RouteState Highway 12
Coordinates36.34405, -94.08912
Functional classUrban Minor 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length29 ft (8.8 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2018)
Projected traffic18,334 by 2028
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 SH 12 Benton 1 over Prairie Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is SH 12 Benton 1 over Prairie 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 February 2024.

How much traffic does SH 12 Benton 1 over Prairie Creek carry?

About 13,000 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is SH 12 Benton 1 over Prairie Creek?

The structure is 29 ft (8.8 m) long with a longest span of 15 ft (4.6 m).

Who owns SH 12 Benton 1 over Prairie Creek?

It is owned by the State Highway Agency.