US Bridges

SH 31-00 Lm 9.96 over Wabbaseka Bayou

Fair

Jefferson County, Arkansas · 4.0 MI NE SH 15-SHERRILL · Structure no. 000000000006991

Built
2005
20 years old
Condition
Fair
inspected March 2023
Type
Channel Beam
Concrete
Length
217 ft
7 main spans
Daily traffic
160
2018 count
Owner
State
State Highway Agency

About this bridge

SH 31-00 Lm 9.96 over Wabbaseka Bayou is a concrete channel beam carrying SH 31-00 Lm 9.96 over Wabbaseka Bayou in Jefferson County, Arkansas. It was built in 2005, so it is 20 years old, younger 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 160 vehicles a day, roughly 1% of them trucks, projected to reach 241 by 2028. The structure is 217 ft (66.1 m) long and 31 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesSH 31-00 Lm 9.96
CrossesWabbaseka Bayou
Location4.0 MI NE SH 15-SHERRILL
RouteState Highway 31
Coordinates34.4106, -91.89752
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length217 ft (66.1 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2018)
Projected traffic241 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 31-00 Lm 9.96 over Wabbaseka Bayou built?

It was built in 2005, making it 20 years old in 2025.

What condition is SH 31-00 Lm 9.96 over Wabbaseka Bayou 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 March 2023.

How much traffic does SH 31-00 Lm 9.96 over Wabbaseka Bayou carry?

About 160 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 31-00 Lm 9.96 over Wabbaseka Bayou?

The structure is 217 ft (66.1 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns SH 31-00 Lm 9.96 over Wabbaseka Bayou?

It is owned by the State Highway Agency.