US Bridges

Smokey Alley/Z-Fe over Drainage Ditch

Good

Crittenden County, Arkansas · .4 Miles West of CR 186 · Structure no. 000000000004574

Built
1988
37 years old
Condition
Good
inspected April 2023
Type
Channel Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
387
2018 count
Owner
County
County Highway Agency

About this bridge

Smokey Alley/Z-Fe over Drainage Ditch is a concrete channel beam carrying Smokey Alley/Z-Fe over Drainage Ditch in Crittenden 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 387 vehicles a day, roughly 1% of them trucks, projected to reach 344 by 2006. The structure is 93 ft (28.3 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSmokey Alley/Z-Fe
CrossesDrainage Ditch
Location.4 Miles West of CR 186
RouteCounty Highway 6
Coordinates35.30778, -90.33141
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable 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 spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic387 (2018)
Projected traffic344 by 2006
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Smokey Alley/Z-Fe over Drainage Ditch built?

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

What condition is Smokey Alley/Z-Fe over Drainage Ditch 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 April 2023.

How much traffic does Smokey Alley/Z-Fe over Drainage Ditch carry?

About 387 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Smokey Alley/Z-Fe over Drainage Ditch?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Smokey Alley/Z-Fe over Drainage Ditch?

It is owned by the County Highway Agency.