US Bridges

SH 15 Log 6.83 over Indian Bayou

Good

Lonoke County, Arkansas · 4.1 MI So of US 70 · Structure no. 000000000005431

Built
1971
54 years old
Condition
Good
inspected February 2025
Type
Slab
Concrete
Length
90 ft
3 main spans
Daily traffic
910
2018 count
Owner
State
State Highway Agency

About this bridge

SH 15 Log 6.83 over Indian Bayou is a concrete slab carrying SH 15 Log 6.83 over Indian Bayou in Lonoke County, Arkansas. It was built in 1971, so it is 54 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 910 vehicles a day, roughly 1% of them trucks, projected to reach 1,188 by 2028. The structure is 90 ft (27.4 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSH 15 Log 6.83
CrossesIndian Bayou
Location4.1 MI So of US 70
RouteState Highway 15
CountyLonoke County
StateArkansas
Coordinates34.70458, -92.00777
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic910 (2018)
Projected traffic1,188 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Log 6.83 over Indian Bayou built?

It was built in 1971, making it 54 years old in 2025.

What condition is SH 15 Log 6.83 over Indian 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 February 2025.

How much traffic does SH 15 Log 6.83 over Indian Bayou carry?

About 910 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 15 Log 6.83 over Indian Bayou?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns SH 15 Log 6.83 over Indian Bayou?

It is owned by the State Highway Agency.