US Bridges

Old Pike Road over Marks Slough

Good

Montgomery County, Alabama · 10.6 MI N US 82 · Structure no. 014548

Built
1988
37 years old
Condition
Good
inspected July 2023
Type
Channel Beam
Concrete
Length
68 ft
2 main spans
Daily traffic
320
1988 count
Owner
County
County Highway Agency

About this bridge

Old Pike Road over Marks Slough is a concrete channel beam carrying Old Pike Road over Marks Slough in Montgomery County, Alabama. It was built in 1988, so it is 37 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 320 vehicles a day, roughly 1% of them trucks, projected to reach 400 by 2041. The structure is 68 ft (20.7 m) long and 27 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesOld Pike Road
CrossesMarks Slough
Location10.6 MI N US 82
RouteCounty Highway 22
StateAlabama
Coordinates32.26558, -86.08429
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment6: Equal to present minimum criteria
Operating rating73 US tons
Inventory rating43.7 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 width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (1988)
Projected traffic400 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedNone recorded
Estimated improvement cost$557,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Pike Road over Marks Slough built?

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

What condition is Old Pike Road over Marks 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 July 2023.

How much traffic does Old Pike Road over Marks Slough carry?

About 320 vehicles per day (1988 count), of which roughly 1% are trucks.

How long is Old Pike Road over Marks Slough?

The structure is 68 ft (20.7 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns Old Pike Road over Marks Slough?

It is owned by the County Highway Agency.