US Bridges

CR 221/INDEPEND.CO over Big Bottom Slough

Good

Independence County, Arkansas · .3 Mile West of SH 122 · Structure no. 000000000022480

Built
2003
22 years old
Condition
Good
inspected August 2023
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
7
2018 count
Owner
County
County Highway Agency

About this bridge

CR 221/INDEPEND.CO over Big Bottom Slough is a concrete channel beam carrying CR 221/INDEPEND.CO over Big Bottom Slough in Independence County, Arkansas. It was built in 2003, so it is 22 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 7 vehicles a day, roughly 1% of them trucks, projected to reach 66 by 2023. The structure is 31 ft (9.4 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCR 221/INDEPEND.CO
CrossesBig Bottom Slough
Location.3 Mile West of SH 122
RouteCounty Highway 221
CountyIndependence County
StateArkansas
Coordinates35.66733, -91.45342
Functional classRural Local

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7 (2018)
Projected traffic66 by 2023
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 CR 221/INDEPEND.CO over Big Bottom Slough built?

It was built in 2003, making it 22 years old in 2025.

What condition is CR 221/INDEPEND.CO over Big Bottom Slough 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 August 2023.

How much traffic does CR 221/INDEPEND.CO over Big Bottom Slough carry?

About 7 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR 221/INDEPEND.CO over Big Bottom Slough?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 23 ft wide.

Who owns CR 221/INDEPEND.CO over Big Bottom Slough?

It is owned by the County Highway Agency.