US Bridges

Al - 3 South over Sou R R * City Street

Fair

Jefferson County, Alabama · US 31 * 39 TH Ave No · Structure no. 010926

Built
1973
52 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
640 ft
8 main spans
Daily traffic
5,600
2022 count
Owner
State
State Highway Agency

About this bridge

Al - 3 South over Sou R R * City Street is a steel continuous stringer/multi-beam or girder carrying Al - 3 South over Sou R R * City Street in Jefferson County, Alabama. It was built in 1973, so it is 52 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 5,600 vehicles a day, roughly 5% of them trucks, projected to reach 7,193 by 2042. The structure is 640 ft (195.1 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAl - 3 South
CrossesSou R R * City Street
LocationUS 31 * 39 TH Ave No
RouteU.S. Route 31
StateAlabama
Coordinates33.56111, -86.81944
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.7 US tons
Inventory rating30.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8 (+1 approach)
Design loadHS 20
Structure length640 ft (195.1 m)
Longest span87 ft (26.5 m)
Deck width48 ft (14.7 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2022)
Projected traffic7,193 by 2042
Trucks5%
Lanes on structure2
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$7.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Al - 3 South over Sou R R * City Street built?

It was built in 1973, making it 52 years old in 2025.

What condition is Al - 3 South over Sou R R * 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 April 2023.

How much traffic does Al - 3 South over Sou R R * City Street carry?

About 5,600 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Al - 3 South over Sou R R * City Street?

The structure is 640 ft (195.1 m) long with a longest span of 87 ft (26.5 m) and a deck 48 ft wide.

Who owns Al - 3 South over Sou R R * City Street?

It is owned by the State Highway Agency.