US Bridges

County Road 20 over Buffalo Creek Polk Co.

Fair

Polk County, Arkansas · 0.78 Mi. S. of HWY 4 · Structure no. 000000000022314

Built
2002
23 years old
Condition
Fair
inspected December 2024
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
272
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 20 over Buffalo Creek Polk Co. is a concrete channel beam carrying County Road 20 over Buffalo Creek Polk Co. in Polk County, Arkansas. It was built in 2002, so it is 23 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 5 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 272 vehicles a day, roughly 1% of them trucks, projected to reach 54 by 2007. The structure is 31 ft (9.4 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 20
CrossesBuffalo Creek Polk Co.
Location0.78 Mi. S. of HWY 4
RouteCounty Highway 20
CountyPolk County
StateArkansas
Coordinates34.42102, -94.45214
Functional classRural Minor 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic272 (2018)
Projected traffic54 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 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 County Road 20 over Buffalo Creek Polk Co. built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Road 20 over Buffalo 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 December 2024.

How much traffic does County Road 20 over Buffalo Creek Polk Co. carry?

About 272 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is County Road 20 over Buffalo Creek Polk Co.?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 25 ft wide.

Who owns County Road 20 over Buffalo Creek Polk Co.?

It is owned by the County Highway Agency.