US Bridges

Ouachita CR 86 Z-D over Shell Lake Slough

Good

Ouachita County, Arkansas · 0.6 W CO RD 434 · Structure no. 000000000020584

Built
1988
37 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
69
2018 count
Owner
County
County Highway Agency

About this bridge

Ouachita CR 86 Z-D over Shell Lake Slough is a concrete culvert carrying Ouachita CR 86 Z-D over Shell Lake Slough in Ouachita County, Arkansas. It was built in 1988, so it is 37 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 69 vehicles a day, roughly 1% of them trucks, projected to reach 97 by 2006. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 29.8 mi (48 km).

CarriesOuachita CR 86 Z-D
CrossesShell Lake Slough
Location0.6 W CO RD 434
RouteCounty Highway 86
Coordinates33.80591, -92.86873
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2018)
Projected traffic97 by 2006
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 Ouachita CR 86 Z-D over Shell Lake Slough built?

It was built in 1988, making it 37 years old in 2025.

What condition is Ouachita CR 86 Z-D over Shell Lake 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 2024.

How much traffic does Ouachita CR 86 Z-D over Shell Lake Slough carry?

About 69 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Ouachita CR 86 Z-D over Shell Lake Slough?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m).

Who owns Ouachita CR 86 Z-D over Shell Lake Slough?

It is owned by the County Highway Agency.