US Bridges

Fdr 496 over Shack Creek

FairPosted for load

Polk County, Arkansas · 2 MI N of Cty Rt 302 · Structure no. 080908000001077

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
10
1992 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 496 over Shack Creek is a concrete culvert carrying Fdr 496 over Shack Creek in Polk County, Arkansas. It was built in 1979, so it is 46 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 6 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 10 vehicles a day, projected to reach 15 by 2045. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr 496
CrossesShack Creek
Location2 MI N of Cty Rt 302
RouteFederal Lands Road 496
Coordinates34.64134, -93.94154
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1992)
Projected traffic15 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 496 over Shack Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Fdr 496 over Shack 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 August 2024.

How much traffic does Fdr 496 over Shack Creek carry?

About 10 vehicles per day (1992 count).

How long is Fdr 496 over Shack Creek?

The structure is 32 ft (9.8 m) long with a longest span of 9 ft (2.7 m).

Who owns Fdr 496 over Shack Creek?

It is owned by the U.S. Forest Service.