US Bridges

US 71-SEB. Co. over Armstead Creek

FairPosted for load

Sebastian County, Arkansas · 0.34 MI NW JCT SH 96 & 71 · Structure no. 0000000000M1372

Built
1930
95 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
7,500
2018 count
Owner
State
State Highway Agency

About this bridge

US 71-SEB. Co. over Armstead Creek is a steel stringer/multi-beam or girder carrying US 71-SEB. Co. over Armstead Creek in Sebastian County, Arkansas. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 7,500 vehicles a day, roughly 10% of them trucks, projected to reach 10,938 by 2028. The structure is 33 ft (10 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesUS 71-SEB. Co.
CrossesArmstead Creek
Location0.34 MI NW JCT SH 96 & 71
RouteU.S. Route 71
CountySebastian County
StateArkansas
Coordinates35.06746, -94.25462
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2018)
Projected traffic10,938 by 2028
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$703,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 71-SEB. Co. over Armstead Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is US 71-SEB. Co. over Armstead Creek 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 March 2024.

How much traffic does US 71-SEB. Co. over Armstead Creek carry?

About 7,500 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is US 71-SEB. Co. over Armstead Creek?

The structure is 33 ft (10 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns US 71-SEB. Co. over Armstead Creek?

It is owned by the State Highway Agency.