US Bridges

Al - 3 North over Sou RR * City Street

Fair

Jefferson County, Alabama · US 31 * 39th ST No · Structure no. 002243

Built
1940
85 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete
Length
795 ft
24 main spans
Daily traffic
11,648
2024 count
Owner
State
State Highway Agency

About this bridge

Al - 3 North over Sou RR * City Street is a concrete tee beam carrying Al - 3 North over Sou RR * City Street in Jefferson County, Alabama. It was built in 1940, so it is 85 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 11,648 vehicles a day, roughly 5% of them trucks, projected to reach 21,039 by 2044. The structure is 795 ft (242.3 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAl - 3 North
CrossesSou RR * City Street
LocationUS 31 * 39th ST No
RouteU.S. Route 31
StateAlabama
Coordinates33.56123, -86.81941
Functional classUrban Minor 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 inspectionDecember 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.6 US tons
Inventory rating30.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans24
Design loadH 20
Structure length795 ft (242.3 m)
Longest span40 ft (12.2 m)
Deck width53 ft (16.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,648 (2024)
Projected traffic21,039 by 2044
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$9.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Al - 3 North over Sou RR * City Street built?

It was built in 1940, making it 85 years old in 2025.

What condition is Al - 3 North over Sou RR * City Street 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 December 2024.

How much traffic does Al - 3 North over Sou RR * City Street carry?

About 11,648 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Al - 3 North over Sou RR * City Street?

The structure is 795 ft (242.3 m) long with a longest span of 40 ft (12.2 m) and a deck 53 ft wide.

Who owns Al - 3 North over Sou RR * City Street?

It is owned by the State Highway Agency.