US Bridges

SH 143 Carroll over Flat Rock Creek

Good

Carroll County, Arkansas · 5.80 North of JCT of US 6 · Structure no. 000000000005883

Built
1982
43 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
227 ft
3 main spans
Daily traffic
1,300
2018 count
Owner
State
State Highway Agency

About this bridge

SH 143 Carroll over Flat Rock Creek is a steel stringer/multi-beam or girder carrying SH 143 Carroll over Flat Rock Creek in Carroll County, Arkansas. It was built in 1982, so it is 43 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 2,357 by 2028. The structure is 227 ft (69.3 m) long and 31 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSH 143 Carroll
CrossesFlat Rock Creek
Location5.80 North of JCT of US 6
RouteState Highway 143
Coordinates36.46439, -93.61345
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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length227 ft (69.3 m)
Longest span75 ft (22.9 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2018)
Projected traffic2,357 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 143 Carroll over Flat Rock Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is SH 143 Carroll over Flat Rock Creek 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 April 2024.

How much traffic does SH 143 Carroll over Flat Rock Creek carry?

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

How long is SH 143 Carroll over Flat Rock Creek?

The structure is 227 ft (69.3 m) long with a longest span of 75 ft (22.9 m) and a deck 31 ft wide.

Who owns SH 143 Carroll over Flat Rock Creek?

It is owned by the State Highway Agency.