US Bridges

CO RD 70-POLK Co. over Little Alexander Branch

Fair

Polk County, Arkansas · 1.39 M E JCT US71 & CR70 · Structure no. 000000000016175

Built
1937
88 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
52 ft
2 main spans
Daily traffic
334
2018 count
Owner
County
County Highway Agency

About this bridge

CO RD 70-POLK Co. over Little Alexander Branch is a concrete slab carrying CO RD 70-POLK Co. over Little Alexander Branch in Polk County, Arkansas. It was built in 1937, so it is 88 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 334 vehicles a day, roughly 1% of them trucks, projected to reach 73 by 2007. The structure is 52 ft (15.8 m) long and 22 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesCO RD 70-POLK Co.
CrossesLittle Alexander Branch
Location1.39 M E JCT US71 & CR70
RouteCounty Highway 70
CountyPolk County
StateArkansas
Coordinates34.65633, -94.13136
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length52 ft (15.8 m)
Longest span26 ft (7.9 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic334 (2018)
Projected traffic73 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$245,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 70-POLK Co. over Little Alexander Branch built?

It was built in 1937, making it 88 years old in 2025.

What condition is CO RD 70-POLK Co. over Little Alexander Branch 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 February 2024.

How much traffic does CO RD 70-POLK Co. over Little Alexander Branch carry?

About 334 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CO RD 70-POLK Co. over Little Alexander Branch?

The structure is 52 ft (15.8 m) long with a longest span of 26 ft (7.9 m) and a deck 22 ft wide.

Who owns CO RD 70-POLK Co. over Little Alexander Branch?

It is owned by the County Highway Agency.