US Bridges

Old Selma Road over Stones Slough

Good

Montgomery County, Alabama · 2.1 MI E of Montg Lowndes · Structure no. 015438

Built
1991
34 years old
Condition
Good
inspected May 2024
Type
Channel Beam
Concrete
Length
68 ft
2 main spans
Daily traffic
1,000
1991 count
Owner
County
County Highway Agency

About this bridge

Old Selma Road over Stones Slough is a concrete channel beam carrying Old Selma Road over Stones Slough in Montgomery County, Alabama. It was built in 1991, so it is 34 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 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 2,500 by 2044. The structure is 68 ft (20.7 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesOld Selma Road
CrossesStones Slough
Location2.1 MI E of Montg Lowndes
RouteCounty Highway 18
StateAlabama
Coordinates32.35098, -86.44446
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
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 alignment7: Better than present minimum criteria
Operating rating79.8 US tons
Inventory rating47.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (1991)
Projected traffic2,500 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$642,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Selma Road over Stones Slough built?

It was built in 1991, making it 34 years old in 2025.

What condition is Old Selma Road over Stones 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 2024.

How much traffic does Old Selma Road over Stones Slough carry?

About 1,000 vehicles per day (1991 count), of which roughly 1% are trucks.

How long is Old Selma Road over Stones Slough?

The structure is 68 ft (20.7 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Old Selma Road over Stones Slough?

It is owned by the County Highway Agency.