US Bridges

SH 161-SEC 6 over Wabbaskea Bayou

Good

Lonoke County, Arkansas · 1 MI West US 165 · Structure no. 0000000000X0821

Built
1992
33 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
32 ft
4 main spans
Daily traffic
370
2018 count
Owner
State
State Highway Agency

About this bridge

SH 161-SEC 6 over Wabbaskea Bayou is a concrete culvert carrying SH 161-SEC 6 over Wabbaskea Bayou in Lonoke County, Arkansas. It was built in 1992, so it is 33 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 370 vehicles a day, roughly 5% of them trucks, projected to reach 649 by 2028. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSH 161-SEC 6
CrossesWabbaskea Bayou
Location1 MI West US 165
RouteState Highway 161
Coordinates34.54694, -91.98686
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 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 rating29 US tons
Inventory rating17 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 20
Structure length32 ft (9.8 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2018)
Projected traffic649 by 2028
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 161-SEC 6 over Wabbaskea Bayou built?

It was built in 1992, making it 33 years old in 2025.

What condition is SH 161-SEC 6 over Wabbaskea 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 March 2024.

How much traffic does SH 161-SEC 6 over Wabbaskea Bayou carry?

About 370 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is SH 161-SEC 6 over Wabbaskea Bayou?

The structure is 32 ft (9.8 m) long with a longest span of 7 ft (2.1 m).

Who owns SH 161-SEC 6 over Wabbaskea Bayou?

It is owned by the State Highway Agency.