US Bridges

US 71 - Polk CO over Six Mile Creek

PoorPosted for load

Polk County, Arkansas · 1.5 MI S of Hatfield · Structure no. 000000000002147

Built
1940
85 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
293 ft
7 main spans
Daily traffic
5,100
2018 count
Owner
State
State Highway Agency

About this bridge

US 71 - Polk CO over Six Mile Creek is a steel stringer/multi-beam or girder carrying US 71 - Polk CO over Six Mile Creek in Polk County, Arkansas. It was built in 1940, so it is 85 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5,100 vehicles a day, roughly 15% of them trucks, projected to reach 6,478 by 2028. The structure is 293 ft (89.3 m) long and 32 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS 71 - Polk CO
CrossesSix Mile Creek
Location1.5 MI S of Hatfield
RouteU.S. Route 71
Coordinates34.45978, -94.3937
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length293 ft (89.3 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2018)
Projected traffic6,478 by 2028
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 71 - Polk CO over Six Mile Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is US 71 - Polk CO over Six Mile Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does US 71 - Polk CO over Six Mile Creek carry?

About 5,100 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is US 71 - Polk CO over Six Mile Creek?

The structure is 293 ft (89.3 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns US 71 - Polk CO over Six Mile Creek?

It is owned by the State Highway Agency.