US Bridges

Old Mulga Loop RD over Bham-Southern RR

Fair

Jefferson County, Alabama · 500 SE Al 269 (mulga) · Structure no. 003804

Built
1950
75 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
62 ft
3 main spans
Daily traffic
430
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old Mulga Loop RD over Bham-Southern RR is a concrete continuous slab carrying Old Mulga Loop RD over Bham-Southern RR in Jefferson County, Alabama. It was built in 1950, so it is 75 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 6 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 430 vehicles a day, roughly 1% of them trucks, projected to reach 595 by 2037. The structure is 62 ft (18.9 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesOld Mulga Loop RD
CrossesBham-Southern RR
Location500 SE Al 269 (mulga)
RouteCounty Highway 57
CountyJefferson County
StateAlabama
Coordinates33.53792, -86.9851
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span22 ft (6.6 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2017)
Projected traffic595 by 2037
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$532,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old Mulga Loop RD over Bham-Southern RR built?

It was built in 1950, making it 75 years old in 2025.

What condition is Old Mulga Loop RD over Bham-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 January 2024.

How much traffic does Old Mulga Loop RD over Bham-Southern RR carry?

About 430 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Old Mulga Loop RD over Bham-Southern RR?

The structure is 62 ft (18.9 m) long with a longest span of 22 ft (6.6 m) and a deck 27 ft wide.

Who owns Old Mulga Loop RD over Bham-Southern RR?

It is owned by the City or Municipal Highway Agency.