US Bridges

12th Ave No over Frisco * So RR

Fair

Jefferson County, Alabama · 12th Ave N * 26th Street · Structure no. 000076

Built
1913
112 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
142 ft
5 main spans
Daily traffic
6,000
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

12th Ave No over Frisco * So RR is a concrete slab carrying 12th Ave No over Frisco * So RR in Jefferson County, Alabama. It was built in 1913, so it is 112 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 6,000 vehicles a day, roughly 10% of them trucks, projected to reach 8,000 by 2038. The structure is 142 ft (43.3 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries12th Ave No
CrossesFrisco * So RR
Location12th Ave N * 26th Street
RouteCity Street 0
CountyJefferson County
StateAlabama
Coordinates33.53167, -86.805
Functional classUrban 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.
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 inspectionApril 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length142 ft (43.3 m)
Longest span30 ft (9.1 m)
Deck width58 ft (17.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2018)
Projected traffic8,000 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 12th Ave No over Frisco * So RR built?

It was built in 1913, making it 112 years old in 2025.

What condition is 12th Ave No over Frisco * So 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 April 2024.

How much traffic does 12th Ave No over Frisco * So RR carry?

About 6,000 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is 12th Ave No over Frisco * So RR?

The structure is 142 ft (43.3 m) long with a longest span of 30 ft (9.1 m) and a deck 58 ft wide.

Who owns 12th Ave No over Frisco * So RR?

It is owned by the City or Municipal Highway Agency.