US Bridges

County Road 48 over Rock Creek - Polk Co.

Good

Polk County, Arkansas · 0.54 MI West Potter · Structure no. 000000000004656

Built
1991
34 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
166 ft
3 main spans
Daily traffic
400
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 48 over Rock Creek - Polk Co. is a steel stringer/multi-beam or girder carrying County Road 48 over Rock Creek - Polk Co. in Polk County, Arkansas. It was built in 1991, so it is 34 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 400 vehicles a day, roughly 1% of them trucks, projected to reach 216 by 2007. The structure is 166 ft (50.6 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty Road 48
CrossesRock Creek - Polk Co.
Location0.54 MI West Potter
RouteCounty Highway 48
CountyPolk County
StateArkansas
Coordinates34.557, -94.3472
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length166 ft (50.6 m)
Longest span55 ft (16.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2018)
Projected traffic216 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 County Road 48 over Rock Creek - Polk Co. built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road 48 over Rock Creek - Polk Co. 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 October 2023.

How much traffic does County Road 48 over Rock Creek - Polk Co. carry?

About 400 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is County Road 48 over Rock Creek - Polk Co.?

The structure is 166 ft (50.6 m) long with a longest span of 55 ft (16.8 m) and a deck 27 ft wide.

Who owns County Road 48 over Rock Creek - Polk Co.?

It is owned by the County Highway Agency.