US Bridges

Mountain Gap Roa over Aldridge Creek

Good

Madison County, Alabama · 1010 Mt Gap RD · Structure no. 012761

Built
1982
43 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
138 ft
3 main spans
Daily traffic
6,820
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mountain Gap Roa over Aldridge Creek is a prestressed concrete stringer/multi-beam or girder carrying Mountain Gap Roa over Aldridge Creek in Madison County, Alabama. It was built in 1982, so it is 43 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 6,820 vehicles a day, roughly 1% of them trucks, projected to reach 9,548 by 2044. The structure is 138 ft (42.1 m) long and 71 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMountain Gap Roa
CrossesAldridge Creek
Location1010 Mt Gap RD
RouteCity Street 0
StateAlabama
Coordinates34.62667, -86.54667
Functional classUrban 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 inspectionJune 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating67.1 US tons
Inventory rating39.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span47 ft (14.2 m)
Deck width71 ft (21.7 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,820 (2024)
Projected traffic9,548 by 2044
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$2.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mountain Gap Roa over Aldridge Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Mountain Gap Roa over Aldridge 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 June 2024.

How much traffic does Mountain Gap Roa over Aldridge Creek carry?

About 6,820 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Mountain Gap Roa over Aldridge Creek?

The structure is 138 ft (42.1 m) long with a longest span of 47 ft (14.2 m) and a deck 71 ft wide.

Who owns Mountain Gap Roa over Aldridge Creek?

It is owned by the City or Municipal Highway Agency.