US Bridges

SH 12 Benton 1 over Best Creek

Fair

Benton County, Arkansas · 1.0 MI W Madison CO Line · Structure no. 000000000003991

Built
1966
59 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
75 ft
3 main spans
Daily traffic
412
2018 count
Owner
State
State Highway Agency

About this bridge

SH 12 Benton 1 over Best Creek is a concrete slab carrying SH 12 Benton 1 over Best Creek in Benton County, Arkansas. It was built in 1966, so it is 59 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 412 vehicles a day, roughly 1% of them trucks, projected to reach 677 by 2028. The structure is 75 ft (22.9 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSH 12 Benton 1
CrossesBest Creek
Location1.0 MI W Madison CO Line
RouteState Highway 12
Coordinates36.23963, -93.88875
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: 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 rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic412 (2018)
Projected traffic677 by 2028
Trucks1%
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 Best Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is SH 12 Benton 1 over Best 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 May 2024.

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

About 412 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 12 Benton 1 over Best Creek?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 30 ft wide.

Who owns SH 12 Benton 1 over Best Creek?

It is owned by the State Highway Agency.