US Bridges

Black Oak Road over W.F. White River-Wash

Fair

Washington County, Arkansas · 2.5 MI S E SH 156 · Structure no. 000000000004587

Built
1989
36 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
502 ft
10 main spans
Daily traffic
1,400
2018 count
Owner
County
County Highway Agency

About this bridge

Black Oak Road over W.F. White River-Wash is a steel stringer/multi-beam or girder carrying Black Oak Road over W.F. White River-Wash in Washington County, Arkansas. It was built in 1989, so it is 36 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.

It carries about 1,400 vehicles a day, roughly 1% of them trucks, projected to reach 380 by 2007. The structure is 502 ft (153 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesBlack Oak Road
CrossesW.F. White River-Wash
Location2.5 MI S E SH 156
RouteCounty Highway 57
CountyWashington County
StateArkansas
Coordinates36.01883, -94.12339
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length502 ft (153 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2018)
Projected traffic380 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Black Oak Road over W.F. White River-Wash built?

It was built in 1989, making it 36 years old in 2025.

What condition is Black Oak Road over W.F. White River-Wash 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 2024.

How much traffic does Black Oak Road over W.F. White River-Wash carry?

About 1,400 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Black Oak Road over W.F. White River-Wash?

The structure is 502 ft (153 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns Black Oak Road over W.F. White River-Wash?

It is owned by the County Highway Agency.