US Bridges

SH 239-02- Lm 4.71 over Pemiscot Bayou

Poor

Mississippi County, Arkansas · 4.7 MI W JCT SH 18 · Structure no. 000000000005008

Built
1966
59 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
165 ft
1 main span
Daily traffic
340
2018 count
Owner
State
State Highway Agency

About this bridge

SH 239-02- Lm 4.71 over Pemiscot Bayou is a steel stringer/multi-beam or girder carrying SH 239-02- Lm 4.71 over Pemiscot Bayou in Mississippi County, Arkansas. It was built in 1966, so it is 59 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 340 vehicles a day, roughly 1% of them trucks, projected to reach 805 by 2028. The structure is 165 ft (50.4 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSH 239-02- Lm 4.71
CrossesPemiscot Bayou
Location4.7 MI W JCT SH 18
RouteState Highway 239
Coordinates35.91155, -90.01446
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadH 15
Structure length165 ft (50.4 m)
Longest span65 ft (19.8 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2018)
Projected traffic805 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 239-02- Lm 4.71 over Pemiscot Bayou built?

It was built in 1966, making it 59 years old in 2025.

What condition is SH 239-02- Lm 4.71 over Pemiscot Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does SH 239-02- Lm 4.71 over Pemiscot Bayou carry?

About 340 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 239-02- Lm 4.71 over Pemiscot Bayou?

The structure is 165 ft (50.4 m) long with a longest span of 65 ft (19.8 m) and a deck 30 ft wide.

Who owns SH 239-02- Lm 4.71 over Pemiscot Bayou?

It is owned by the State Highway Agency.