US Bridges

CR 612 - B over Float RD Slough

Fair

Lawrence County, Arkansas · 0.45MI W SH 231 · Structure no. 000000000014495

Built
1939
86 years old
Condition
Fair
inspected March 2025
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
70
2018 count
Owner
County
County Highway Agency

About this bridge

CR 612 - B over Float RD Slough is a concrete culvert carrying CR 612 - B over Float RD Slough in Lawrence County, Arkansas. It was built in 1939, so it is 86 years old, older 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.

It carries about 70 vehicles a day, roughly 12% of them trucks, projected to reach 109 by 2007. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 612 - B
CrossesFloat RD Slough
Location0.45MI W SH 231
RouteCounty Highway 612
Coordinates36.08528, -90.8578
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2018)
Projected traffic109 by 2007
Trucks12%
Lanes on structure2
Traffic directionTwo-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 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 CR 612 - B over Float RD Slough built?

It was built in 1939, making it 86 years old in 2025.

What condition is CR 612 - B over Float RD Slough 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 March 2025.

How much traffic does CR 612 - B over Float RD Slough carry?

About 70 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is CR 612 - B over Float RD Slough?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns CR 612 - B over Float RD Slough?

It is owned by the County Highway Agency.