US Bridges

SH 84 Log 18.25 over Indian Bayou

Good

Hot Spring County, Arkansas · 3.0 Ml W of I-30 · Structure no. 0000000000X1578

Built
2020
5 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
51 ft
4 main spans
Daily traffic
1,500
2014 count
Owner
State
State Highway Agency

About this bridge

SH 84 Log 18.25 over Indian Bayou is a concrete culvert carrying SH 84 Log 18.25 over Indian Bayou in Hot Spring County, Arkansas. It was built in 2020, so it is 5 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 1,500 vehicles a day, roughly 1% of them trucks, projected to reach 1,552 by 2028. The structure is 51 ft (15.6 m) long and 99 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 84 Log 18.25
CrossesIndian Bayou
Location3.0 Ml W of I-30
RouteState Highway 84
Coordinates34.35988, -92.87972
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.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length51 ft (15.6 m)
Longest span11 ft (3.4 m)
Deck width99 ft (30.2 m)
Roadway width99 ft (30.2 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic1,500 (2014)
Projected traffic1,552 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 84 Log 18.25 over Indian Bayou built?

It was built in 2020, making it 5 years old in 2025.

What condition is SH 84 Log 18.25 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 August 2024.

How much traffic does SH 84 Log 18.25 over Indian Bayou carry?

About 1,500 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is SH 84 Log 18.25 over Indian Bayou?

The structure is 51 ft (15.6 m) long with a longest span of 11 ft (3.4 m) and a deck 99 ft wide.

Who owns SH 84 Log 18.25 over Indian Bayou?

It is owned by the State Highway Agency.