US Bridges

US 71 B NB Lns over Mud Creek-Washington

Fair

Washington County, Arkansas · 1.98 MI N Int 71 & 71B · Structure no. 0000000000A0698

Built
1928
97 years old, rebuilt 1971
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete
Length
90 ft
3 main spans
Daily traffic
31,000
2018 count
Owner
State
State Highway Agency

About this bridge

US 71 B NB Lns over Mud Creek-Washington is a concrete tee beam carrying US 71 B NB Lns over Mud Creek-Washington in Washington County, Arkansas. It was built in 1928 and reconstructed in 1971, so it is 97 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 5 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 31,000 vehicles a day, roughly 1% of them trucks, projected to reach 24,613 by 2028. The structure is 90 ft (27.4 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 71 B NB Lns
CrossesMud Creek-Washington
Location1.98 MI N Int 71 & 71B
RouteU.S. Route 71
Coordinates36.11941, -94.1448
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width60 ft (18.3 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,000 (2018)
Projected traffic24,613 by 2028
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 NB Lns over Mud Creek-Washington built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1971.

What condition is US 71 B NB Lns over Mud Creek-Washington 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 January 2025.

How much traffic does US 71 B NB Lns over Mud Creek-Washington carry?

About 31,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is US 71 B NB Lns over Mud Creek-Washington?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 60 ft wide.

Who owns US 71 B NB Lns over Mud Creek-Washington?

It is owned by the State Highway Agency.