US Bridges

CR 560 - a over Cockle Burr Slough

Good

Craighead County, Arkansas · 2 M S & .5 M E of Monette · Structure no. 000000000012016

Built
1977
48 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
296 ft
8 main spans
Daily traffic
75
2018 count
Owner
County
County Highway Agency

About this bridge

CR 560 - a over Cockle Burr Slough is a prestressed concrete slab carrying CR 560 - a over Cockle Burr Slough in Craighead County, Arkansas. It was built in 1977, so it is 48 years old, older 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 75 vehicles a day, roughly 1% of them trucks, projected to reach 137 by 2007. The structure is 296 ft (90.2 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCR 560 - a
CrossesCockle Burr Slough
Location2 M S & .5 M E of Monette
RouteCounty Highway 560
Coordinates35.86076, -90.32981
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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans8
Design loadUnknown
Structure length296 ft (90.2 m)
Longest span37 ft (11.3 m)
Deck width27 ft (8.3 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2018)
Projected traffic137 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 CR 560 - a over Cockle Burr Slough built?

It was built in 1977, making it 48 years old in 2025.

What condition is CR 560 - a over Cockle Burr 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 May 2023.

How much traffic does CR 560 - a over Cockle Burr Slough carry?

About 75 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR 560 - a over Cockle Burr Slough?

The structure is 296 ft (90.2 m) long with a longest span of 37 ft (11.3 m) and a deck 27 ft wide.

Who owns CR 560 - a over Cockle Burr Slough?

It is owned by the County Highway Agency.