US Bridges

SH 21 Carroll over Osage Creek

Good

Carroll County, Arkansas · 1.54 Miles South of US 62 · Structure no. 000000000007153

Built
2011
14 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
201 ft
3 main spans
Daily traffic
2,800
2018 count
Owner
State
State Highway Agency

About this bridge

SH 21 Carroll over Osage Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 21 Carroll over Osage Creek in Carroll County, Arkansas. It was built in 2011, so it is 14 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 2,800 vehicles a day, roughly 18% of them trucks, projected to reach 3,750 by 2029. The structure is 201 ft (61.3 m) long and 43 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSH 21 Carroll
CrossesOsage Creek
Location1.54 Miles South of US 62
RouteState Highway 21
Coordinates36.33711, -93.56423
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
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length201 ft (61.3 m)
Longest span67 ft (20.4 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2018)
Projected traffic3,750 by 2029
Trucks18%
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 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 21 Carroll over Osage Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is SH 21 Carroll over Osage 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 May 2023.

How much traffic does SH 21 Carroll over Osage Creek carry?

About 2,800 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is SH 21 Carroll over Osage Creek?

The structure is 201 ft (61.3 m) long with a longest span of 67 ft (20.4 m) and a deck 43 ft wide.

Who owns SH 21 Carroll over Osage Creek?

It is owned by the State Highway Agency.