US Bridges

CR 520 - a over Hampton Slough

FairPosted for load

Clay County, Arkansas · 3 MI E of Leonard · Structure no. 000000000022352

Built
2001
24 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
113 ft
3 main spans
Daily traffic
18
1987 count
Owner
County
County Highway Agency

About this bridge

CR 520 - a over Hampton Slough is a steel stringer/multi-beam or girder carrying CR 520 - a over Hampton Slough in Clay County, Arkansas. It was built in 2001, so it is 24 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 6 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 18 vehicles a day, roughly 1% of them trucks, projected to reach 22 by 2007. The structure is 113 ft (34.5 m) long and 20 ft wide. If it were closed, the detour would be 124.3 mi (200 km).

Location

Open in Google Maps
CarriesCR 520 - a
CrossesHampton Slough
Location3 MI E of Leonard
RouteCounty Highway 520
CountyClay County
StateArkansas
Coordinates36.2157, -90.19567
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29 US tons
Inventory rating17 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOther
Main spans3
Design loadUnknown
Structure length113 ft (34.5 m)
Longest span56 ft (17.1 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18 (1987)
Projected traffic22 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed124.3 mi (200 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 520 - a over Hampton Slough built?

It was built in 2001, making it 24 years old in 2025.

What condition is CR 520 - a over Hampton 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 May 2024.

How much traffic does CR 520 - a over Hampton Slough carry?

About 18 vehicles per day (1987 count), of which roughly 1% are trucks.

How long is CR 520 - a over Hampton Slough?

The structure is 113 ft (34.5 m) long with a longest span of 56 ft (17.1 m) and a deck 20 ft wide.

Who owns CR 520 - a over Hampton Slough?

It is owned by the County Highway Agency.