US Bridges

SH 108 - 01 - 4.12 over French Bayou

Good

Little River County, Arkansas · 4.12 M E Oklahoma ST Line · Structure no. 000000000003641

Built
1963
62 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
84 ft
3 main spans
Daily traffic
210
2018 count
Owner
State
State Highway Agency

About this bridge

SH 108 - 01 - 4.12 over French Bayou is a concrete slab carrying SH 108 - 01 - 4.12 over French Bayou in Little River County, Arkansas. It was built in 1963, so it is 62 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 210 vehicles a day, roughly 1% of them trucks, projected to reach 2,542 by 2028. The structure is 84 ft (25.6 m) long and 29 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesSH 108 - 01 - 4.12
CrossesFrench Bayou
Location4.12 M E Oklahoma ST Line
RouteState Highway 108
Coordinates33.69236, -94.42846
Functional classRural Major Collector

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length84 ft (25.6 m)
Longest span28 ft (8.5 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2018)
Projected traffic2,542 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 108 - 01 - 4.12 over French Bayou built?

It was built in 1963, making it 62 years old in 2025.

What condition is SH 108 - 01 - 4.12 over French Bayou 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 November 2023.

How much traffic does SH 108 - 01 - 4.12 over French Bayou carry?

About 210 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 108 - 01 - 4.12 over French Bayou?

The structure is 84 ft (25.6 m) long with a longest span of 28 ft (8.5 m) and a deck 29 ft wide.

Who owns SH 108 - 01 - 4.12 over French Bayou?

It is owned by the State Highway Agency.