US Bridges

SH 256-02 Lm 4.95 over Plum Bayou

Good

Jefferson County, Arkansas · 3.1 MI SW Lonokeco-Wright · Structure no. 000000000007033

Built
2006
19 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
196 ft
3 main spans
Daily traffic
140
2018 count
Owner
State
State Highway Agency

About this bridge

SH 256-02 Lm 4.95 over Plum Bayou is a steel continuous stringer/multi-beam or girder carrying SH 256-02 Lm 4.95 over Plum Bayou in Jefferson County, Arkansas. It was built in 2006, so it is 19 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 140 vehicles a day, roughly 9% of them trucks, projected to reach 405 by 2028. The structure is 196 ft (59.8 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSH 256-02 Lm 4.95
CrossesPlum Bayou
Location3.1 MI SW Lonokeco-Wright
RouteState Highway 256
Coordinates34.47078, -92.05392
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length196 ft (59.8 m)
Longest span74 ft (22.6 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2018)
Projected traffic405 by 2028
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 256-02 Lm 4.95 over Plum Bayou built?

It was built in 2006, making it 19 years old in 2025.

What condition is SH 256-02 Lm 4.95 over Plum Bayou 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 August 2022.

How much traffic does SH 256-02 Lm 4.95 over Plum Bayou carry?

About 140 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is SH 256-02 Lm 4.95 over Plum Bayou?

The structure is 196 ft (59.8 m) long with a longest span of 74 ft (22.6 m) and a deck 31 ft wide.

Who owns SH 256-02 Lm 4.95 over Plum Bayou?

It is owned by the State Highway Agency.