US Bridges

County Line Road over Southern Railroad

Good

Madison County, Alabama · Sec 24 T4S R3W · Structure no. 016772

Built
1997
28 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
2,500
1997 count
Owner
City
City or Municipal Highway Agency

About this bridge

County Line Road over Southern Railroad is a prestressed concrete stringer/multi-beam or girder carrying County Line Road over Southern Railroad in Madison County, Alabama. It was built in 1997, so it is 28 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 2,500 vehicles a day, roughly 10% of them trucks, projected to reach 4,000 by 2035. The structure is 150 ft (45.7 m) long and 71 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Line Road
CrossesSouthern Railroad
LocationSec 24 T4S R3W
RouteCounty Highway 127
CountyMadison County
StateAlabama
Coordinates34.68209, -86.78661
Functional classRural Minor Arterial

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.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.7 US tons
Inventory rating42.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span60 ft (18.3 m)
Deck width71 ft (21.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic2,500 (1997)
Projected traffic4,000 by 2035
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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$2.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Line Road over Southern Railroad built?

It was built in 1997, making it 28 years old in 2025.

What condition is County Line Road over Southern Railroad 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 December 2024.

How much traffic does County Line Road over Southern Railroad carry?

About 2,500 vehicles per day (1997 count), of which roughly 10% are trucks.

How long is County Line Road over Southern Railroad?

The structure is 150 ft (45.7 m) long with a longest span of 60 ft (18.3 m) and a deck 71 ft wide.

Who owns County Line Road over Southern Railroad?

It is owned by the City or Municipal Highway Agency.