US Bridges

Tar Bottom CR 7 over Indian Bayou

FairPosted for load

Lonoke County, Arkansas · .1 MI W of SH 31 @ Tomber · Structure no. 000000000022494

Built
2002
23 years old
Condition
Fair
inspected January 2025
Type
Other
Steel
Length
65 ft
1 main span
Daily traffic
180
2018 count
Owner
County
County Highway Agency

About this bridge

Tar Bottom CR 7 over Indian Bayou is a steel other carrying Tar Bottom CR 7 over Indian Bayou in Lonoke County, Arkansas. It was built in 2002, so it is 23 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 180 vehicles a day, roughly 21% of them trucks, projected to reach 14 by 2021. The structure is 65 ft (19.9 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTar Bottom CR 7
CrossesIndian Bayou
Location.1 MI W of SH 31 @ Tomber
RouteCounty Highway 7
CountyLonoke County
StateArkansas
Coordinates34.51596, -91.87387
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.1 US tons
Inventory rating12 US tons

Structure

Structure typeOther
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length65 ft (19.9 m)
Longest span62 ft (18.8 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2018)
Projected traffic14 by 2021
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Tar Bottom CR 7 over Indian Bayou built?

It was built in 2002, making it 23 years old in 2025.

What condition is Tar Bottom CR 7 over Indian 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 January 2025.

How much traffic does Tar Bottom CR 7 over Indian Bayou carry?

About 180 vehicles per day (2018 count), of which roughly 21% are trucks.

How long is Tar Bottom CR 7 over Indian Bayou?

The structure is 65 ft (19.9 m) long with a longest span of 62 ft (18.8 m) and a deck 23 ft wide.

Who owns Tar Bottom CR 7 over Indian Bayou?

It is owned by the County Highway Agency.