US Bridges

CR 7-A Tar Bottom over Indian Bayou

FairPosted for load

Lonoke County, Arkansas · 1.5 MI E SH15 · Structure no. 000000000021825

Built
1996
29 years old
Condition
Fair
inspected January 2025
Type
Other
Steel
Length
51 ft
1 main span
Daily traffic
180
2018 count
Owner
County
County Highway Agency

About this bridge

CR 7-A Tar Bottom over Indian Bayou is a steel other carrying CR 7-A Tar Bottom over Indian Bayou in Lonoke County, Arkansas. It was built in 1996, so it is 29 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 41 by 2007. The structure is 51 ft (15.5 m) long and 19 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR 7-A Tar Bottom
CrossesIndian Bayou
Location1.5 MI E SH15
RouteCounty Highway 7
CountyLonoke County
StateArkansas
Coordinates34.50268, -91.92175
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
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 evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating6 US tons
Inventory rating4 US tons

Structure

Structure typeOther
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span47 ft (14.3 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2018)
Projected traffic41 by 2007
Trucks21%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 CR 7-A Tar Bottom over Indian Bayou built?

It was built in 1996, making it 29 years old in 2025.

What condition is CR 7-A Tar Bottom 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 CR 7-A Tar Bottom over Indian Bayou carry?

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

How long is CR 7-A Tar Bottom over Indian Bayou?

The structure is 51 ft (15.5 m) long with a longest span of 47 ft (14.3 m) and a deck 19 ft wide.

Who owns CR 7-A Tar Bottom over Indian Bayou?

It is owned by the County Highway Agency.