US Bridges

Woodley Road over Blacks Slough

Good

Montgomery County, Alabama · 21.6 MI N of Pike CO Line · Structure no. 012748

Built
1993
32 years old
Condition
Good
inspected February 2025
Type
Channel Beam
Concrete
Length
34 ft
1 main span
Daily traffic
900
1988 count
Owner
County
County Highway Agency

About this bridge

Woodley Road over Blacks Slough is a concrete channel beam carrying Woodley Road over Blacks Slough in Montgomery County, Alabama. It was built in 1993, so it is 32 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 900 vehicles a day, roughly 1% of them trucks, projected to reach 1,200 by 2045. The structure is 34 ft (10.4 m) long and 31 ft wide.

CarriesWoodley Road
CrossesBlacks Slough
Location21.6 MI N of Pike CO Line
RouteCounty Highway 3
StateAlabama
Coordinates32.25161, -86.20581
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating34.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (1988)
Projected traffic1,200 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed—
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$387,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Woodley Road over Blacks Slough built?

It was built in 1993, making it 32 years old in 2025.

What condition is Woodley Road over Blacks 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 February 2025.

How much traffic does Woodley Road over Blacks Slough carry?

About 900 vehicles per day (1988 count), of which roughly 1% are trucks.

How long is Woodley Road over Blacks Slough?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Woodley Road over Blacks Slough?

It is owned by the County Highway Agency.