US Bridges

US 71 B-Washington over Ditch

Fair

Washington County, Arkansas · 0.7 MI S of US412 E · Structure no. 0000000000M1385

Built
1929
96 years old, rebuilt 1965
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
28,000
2018 count
Owner
State
State Highway Agency

About this bridge

US 71 B-Washington over Ditch is a concrete culvert carrying US 71 B-Washington over Ditch in Washington County, Arkansas. It was built in 1929 and reconstructed in 1965, so it is 96 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 28,000 vehicles a day, roughly 1% of them trucks, projected to reach 42,194 by 2028. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 71 B-Washington
CrossesDitch
Location0.7 MI S of US412 E
RouteU.S. Route 71
Coordinates36.15677, -94.14381
Functional classUrban Other Principal Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,000 (2018)
Projected traffic42,194 by 2028
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 US 71 B-Washington over Ditch built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1965.

What condition is US 71 B-Washington over 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 October 2023.

How much traffic does US 71 B-Washington over Ditch carry?

About 28,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is US 71 B-Washington over Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns US 71 B-Washington over Ditch?

It is owned by the State Highway Agency.