US Bridges

SR 13 over Southern RR

Fair

Franklin County, Alabama · 4 MI N JCT SR 13 & SR 24 · Structure no. 005849

Built
1957
68 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
198 ft
5 main spans
Daily traffic
14,350
2023 count
Owner
State
State Highway Agency

About this bridge

SR 13 over Southern RR is a concrete tee beam carrying SR 13 over Southern RR in Franklin County, Alabama. It was built in 1957, so it is 68 years old, older than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 14,350 vehicles a day, roughly 9% of them trucks, projected to reach 18,434 by 2033. The structure is 198 ft (60.4 m) long and 61 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesSR 13
CrossesSouthern RR
Location4 MI N JCT SR 13 & SR 24
RouteU.S. Route 13
CountyFranklin County
StateAlabama
Coordinates34.53425, -87.71378
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.7 US tons
Inventory rating26.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length198 ft (60.4 m)
Longest span54 ft (16.5 m)
Deck width61 ft (18.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,350 (2023)
Projected traffic18,434 by 2033
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed26.1 mi (42 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 13 over Southern RR built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR 13 over Southern RR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does SR 13 over Southern RR carry?

About 14,350 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 13 over Southern RR?

The structure is 198 ft (60.4 m) long with a longest span of 54 ft (16.5 m) and a deck 61 ft wide.

Who owns SR 13 over Southern RR?

It is owned by the State Highway Agency.