US Bridges

State Highway 246 over Cossatot River Polk Co.

Fair

Polk County, Arkansas · 9.37 MI E JCT US 71 · Structure no. 000000000006288

Built
1988
37 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
346 ft
4 main spans
Daily traffic
140
2018 count
Owner
State
State Highway Agency

About this bridge

State Highway 246 over Cossatot River Polk Co. is a steel continuous stringer/multi-beam or girder carrying State Highway 246 over Cossatot River Polk Co. in Polk 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 140 vehicles a day, roughly 12% of them trucks, projected to reach 87 by 2028. The structure is 346 ft (105.5 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesState Highway 246
CrossesCossatot River Polk Co.
Location9.37 MI E JCT US 71
RouteState Highway 246
Coordinates34.37908, -94.23672
Functional classRural Major 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length346 ft (105.5 m)
Longest span92 ft (28 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2018)
Projected traffic87 by 2028
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Highway 246 over Cossatot River Polk Co. built?

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

What condition is State Highway 246 over Cossatot River Polk Co. 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 2025.

How much traffic does State Highway 246 over Cossatot River Polk Co. carry?

About 140 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is State Highway 246 over Cossatot River Polk Co.?

The structure is 346 ft (105.5 m) long with a longest span of 92 ft (28 m) and a deck 31 ft wide.

Who owns State Highway 246 over Cossatot River Polk Co.?

It is owned by the State Highway Agency.