US Bridges

SH 156-WASHINGTON over Dakota Stream

Fair

Washington County, Arkansas · 0.17 M E of Ok ST Line · Structure no. 0000000000M2089

Built
1955
70 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
660
2018 count
Owner
State
State Highway Agency

About this bridge

SH 156-WASHINGTON over Dakota Stream is a concrete culvert carrying SH 156-WASHINGTON over Dakota Stream in Washington County, Arkansas. It was built in 1955, so it is 70 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 660 vehicles a day, roughly 1% of them trucks, projected to reach 1,252 by 2028. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesSH 156-WASHINGTON
CrossesDakota Stream
Location0.17 M E of Ok ST Line
RouteState Highway 156
CountyWashington County
StateArkansas
Coordinates35.80205, -94.49785
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2018)
Projected traffic1,252 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 156-WASHINGTON over Dakota Stream built?

It was built in 1955, making it 70 years old in 2025.

What condition is SH 156-WASHINGTON over Dakota Stream 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 October 2023.

How much traffic does SH 156-WASHINGTON over Dakota Stream carry?

About 660 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 156-WASHINGTON over Dakota Stream?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3.2 m).

Who owns SH 156-WASHINGTON over Dakota Stream?

It is owned by the State Highway Agency.