US Bridges

County Highway 64 over Slab Creek

Good

Marshall County, Alabama · 189 Ft W JCT 1003 · Structure no. 014252

Built
1987
38 years old
Condition
Good
inspected October 2024
Type
Channel Beam
Concrete
Length
136 ft
4 main spans
Daily traffic
400
1994 count
Owner
County
County Highway Agency

About this bridge

County Highway 64 over Slab Creek is a concrete channel beam carrying County Highway 64 over Slab Creek in Marshall County, Alabama. It was built in 1987, so it is 38 years old, younger than the Alabama average of 51.1 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 400 vehicles a day, roughly 1% of them trucks, projected to reach 600 by 2044. The structure is 136 ft (41.5 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCounty Highway 64
CrossesSlab Creek
Location189 Ft W JCT 1003
RouteCounty Highway 64
StateAlabama
Coordinates34.19452, -86.36256
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating95.8 US tons
Inventory rating57.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 20
Structure length136 ft (41.5 m)
Longest span34 ft (10.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (1994)
Projected traffic600 by 2044
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$926,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Highway 64 over Slab Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is County Highway 64 over Slab 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 October 2024.

How much traffic does County Highway 64 over Slab Creek carry?

About 400 vehicles per day (1994 count), of which roughly 1% are trucks.

How long is County Highway 64 over Slab Creek?

The structure is 136 ft (41.5 m) long with a longest span of 34 ft (10.4 m) and a deck 24 ft wide.

Who owns County Highway 64 over Slab Creek?

It is owned by the County Highway Agency.