US Bridges

SH 375 - Polk Co. over Rock Creek Relief

Good

Polk County, Arkansas · 4.80 MI NW JCT US 71 · Structure no. 0000000000X0597

Built
1985
40 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
40 ft
4 main spans
Daily traffic
440
2018 count
Owner
State
State Highway Agency

About this bridge

SH 375 - Polk Co. over Rock Creek Relief is a concrete culvert carrying SH 375 - Polk Co. over Rock Creek Relief in Polk County, Arkansas. It was built in 1985, so it is 40 years old, younger than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 440 vehicles a day, roughly 1% of them trucks, projected to reach 548 by 2028. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 375 - Polk Co.
CrossesRock Creek Relief
Location4.80 MI NW JCT US 71
RouteState Highway 375
Coordinates34.57464, -94.31069
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 20
Structure length40 ft (12.2 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2018)
Projected traffic548 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SH 375 - Polk Co. over Rock Creek Relief built?

It was built in 1985, making it 40 years old in 2025.

What condition is SH 375 - Polk Co. over Rock Creek Relief in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does SH 375 - Polk Co. over Rock Creek Relief carry?

About 440 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 375 - Polk Co. over Rock Creek Relief?

The structure is 40 ft (12.2 m) long with a longest span of 11 ft (3.4 m).

Who owns SH 375 - Polk Co. over Rock Creek Relief?

It is owned by the State Highway Agency.