US Bridges

Ar HWY 21 over Piney Creek

Good

Carroll County, Arkansas · S Outskirts of Metalton · Structure no. 000000000007485

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
247 ft
4 main spans
Daily traffic
2,700
2020 count
Owner
State
State Highway Agency

About this bridge

Ar HWY 21 over Piney Creek is a steel continuous stringer/multi-beam or girder carrying Ar HWY 21 over Piney Creek in Carroll County, Arkansas. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,700 vehicles a day, roughly 12% of them trucks, projected to reach 3,400 by 2040. The structure is 247 ft (75.3 m) long and 43 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesAr HWY 21
CrossesPiney Creek
LocationS Outskirts of Metalton
RouteState Highway 21
Coordinates36.2226, -93.53
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length247 ft (75.3 m)
Longest span69 ft (21 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2020)
Projected traffic3,400 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ar HWY 21 over Piney Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Ar HWY 21 over Piney Creek 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 September 2024.

How much traffic does Ar HWY 21 over Piney Creek carry?

About 2,700 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Ar HWY 21 over Piney Creek?

The structure is 247 ft (75.3 m) long with a longest span of 69 ft (21 m) and a deck 43 ft wide.

Who owns Ar HWY 21 over Piney Creek?

It is owned by the State Highway Agency.