US Bridges

Allen Creek RD over Polk Creek

Fair

Montgomery County, Arkansas · 1.2 MI W JCT US 270 · Structure no. 000000000020739

Built
1988
37 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
46 ft
3 main spans
Daily traffic
294
2018 count
Owner
County
County Highway Agency

About this bridge

Allen Creek RD over Polk Creek is a concrete slab carrying Allen Creek RD over Polk Creek in Montgomery County, Arkansas. It was built in 1988, so it is 37 years old, younger 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 294 vehicles a day, roughly 1% of them trucks, projected to reach 39 by 2009. The structure is 46 ft (14 m) long and 14 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAllen Creek RD
CrossesPolk Creek
Location1.2 MI W JCT US 270
RouteCounty Highway 78
Coordinates34.64403, -93.767
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length46 ft (14 m)
Longest span15 ft (4.6 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic294 (2018)
Projected traffic39 by 2009
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Allen Creek RD over Polk Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Allen Creek RD over Polk 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 December 2024.

How much traffic does Allen Creek RD over Polk Creek carry?

About 294 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Allen Creek RD over Polk Creek?

The structure is 46 ft (14 m) long with a longest span of 15 ft (4.6 m) and a deck 14 ft wide.

Who owns Allen Creek RD over Polk Creek?

It is owned by the County Highway Agency.