US Bridges

SH 90-04-LM 5.33 over Post Oak Ditch

Fair

Greene County, Arkansas · 2.0 Mi. SW Delaplaine · Structure no. 000000000000830

Built
1954
71 years old, rebuilt 2022
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
72 ft
4 main spans
Daily traffic
769
2018 count
Owner
State
State Highway Agency

About this bridge

SH 90-04-LM 5.33 over Post Oak Ditch is a concrete slab carrying SH 90-04-LM 5.33 over Post Oak Ditch in Greene County, Arkansas. It was built in 1954 and reconstructed in 2022, so it is 71 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 6 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 769 vehicles a day, roughly 1% of them trucks, projected to reach 937 by 2028. The structure is 72 ft (21.9 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSH 90-04-LM 5.33
CrossesPost Oak Ditch
Location2.0 Mi. SW Delaplaine
RouteState Highway 90
Coordinates36.21554, -90.75084
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length72 ft (21.9 m)
Longest span18 ft (5.5 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic769 (2018)
Projected traffic937 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 90-04-LM 5.33 over Post Oak Ditch built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2022.

What condition is SH 90-04-LM 5.33 over Post Oak Ditch 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 August 2024.

How much traffic does SH 90-04-LM 5.33 over Post Oak Ditch carry?

About 769 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 90-04-LM 5.33 over Post Oak Ditch?

The structure is 72 ft (21.9 m) long with a longest span of 18 ft (5.5 m) and a deck 27 ft wide.

Who owns SH 90-04-LM 5.33 over Post Oak Ditch?

It is owned by the State Highway Agency.