US Bridges

SH 15-08 Lm 12.81 over Black Bayou

Good

Jefferson County, Arkansas · 1.06 MI S Lonokeco-Ferda · Structure no. 000000000006796

Built
2001
24 years old
Condition
Good
inspected November 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
133 ft
3 main spans
Daily traffic
1,300
2018 count
Owner
State
State Highway Agency

About this bridge

SH 15-08 Lm 12.81 over Black Bayou is a steel continuous stringer/multi-beam or girder carrying SH 15-08 Lm 12.81 over Black Bayou in Jefferson County, Arkansas. It was built in 2001, so it is 24 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 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 1,300 vehicles a day, roughly 1% of them trucks, projected to reach 1,773 by 2028. The structure is 133 ft (40.4 m) long and 43 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesSH 15-08 Lm 12.81
CrossesBlack Bayou
Location1.06 MI S Lonokeco-Ferda
RouteState Highway 15
CountyJefferson County
StateArkansas
Coordinates34.47338, -91.94846
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2021
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 geometry7: Better than 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 typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.4 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2018)
Projected traffic1,773 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 15-08 Lm 12.81 over Black Bayou built?

It was built in 2001, making it 24 years old in 2025.

What condition is SH 15-08 Lm 12.81 over Black 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 2021.

How much traffic does SH 15-08 Lm 12.81 over Black Bayou carry?

About 1,300 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 15-08 Lm 12.81 over Black Bayou?

The structure is 133 ft (40.4 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns SH 15-08 Lm 12.81 over Black Bayou?

It is owned by the State Highway Agency.