US Bridges

SR 13 over Southern RR

Good

Franklin County, Alabama · 0.3 M S JCT SR 13 & SR 24 · Structure no. 016501

Built
1998
27 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
285 ft
3 main spans
Daily traffic
17,730
2023 count
Owner
State
State Highway Agency

About this bridge

SR 13 over Southern RR is a steel continuous stringer/multi-beam or girder carrying SR 13 over Southern RR in Franklin County, Alabama. It was built in 1998, so it is 27 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 17,730 vehicles a day, roughly 9% of them trucks, projected to reach 22,775 by 2033. The structure is 285 ft (86.9 m) long and 112 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesSR 13
CrossesSouthern RR
Location0.3 M S JCT SR 13 & SR 24
RouteU.S. Route 13
StateAlabama
Coordinates34.48586, -87.73478
Functional classUrban Other Principal 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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.8 US tons
Inventory rating41.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length285 ft (86.9 m)
Longest span97 ft (29.6 m)
Deck width112 ft (34.2 m)
Roadway width109 ft (33.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,730 (2023)
Projected traffic22,775 by 2033
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$8.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 13 over Southern RR built?

It was built in 1998, making it 27 years old in 2025.

What condition is SR 13 over Southern RR 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 March 2023.

How much traffic does SR 13 over Southern RR carry?

About 17,730 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 13 over Southern RR?

The structure is 285 ft (86.9 m) long with a longest span of 97 ft (29.6 m) and a deck 112 ft wide.

Who owns SR 13 over Southern RR?

It is owned by the State Highway Agency.