US Bridges

County Road 178-B over Lewis Creek Polk Co.

Fair

Polk County, Arkansas · 1.6 MI East US 71 · Structure no. 000000000004678

Built
1992
33 years old
Condition
Fair
inspected June 2024
Type
Channel Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
56
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 178-B over Lewis Creek Polk Co. is a concrete channel beam carrying County Road 178-B over Lewis Creek Polk Co. in Polk County, Arkansas. It was built in 1992, so it is 33 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 56 vehicles a day, roughly 1% of them trucks, projected to reach 72 by 2007. The structure is 93 ft (28.3 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 178-B
CrossesLewis Creek Polk Co.
Location1.6 MI East US 71
RouteCounty Highway 178
CountyPolk County
StateArkansas
Coordinates34.6127, -94.19131
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56 (2018)
Projected traffic72 by 2007
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

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 178-B over Lewis Creek Polk Co. built?

It was built in 1992, making it 33 years old in 2025.

What condition is County Road 178-B over Lewis Creek 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 June 2024.

How much traffic does County Road 178-B over Lewis Creek Polk Co. carry?

About 56 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is County Road 178-B over Lewis Creek Polk Co.?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 27 ft wide.

Who owns County Road 178-B over Lewis Creek Polk Co.?

It is owned by the County Highway Agency.