US Bridges

36th St. Ens. over Frisco * Sou RR

Fair

Jefferson County, Alabama · 36th ST Ens * RR · Structure no. 009349

Built
1967
58 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
493 ft
8 main spans
Daily traffic
14,000
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

36th St. Ens. over Frisco * Sou RR is a concrete tee beam carrying 36th St. Ens. over Frisco * Sou RR in Jefferson County, Alabama. It was built in 1967, so it is 58 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 14,000 vehicles a day, roughly 10% of them trucks, projected to reach 20,000 by 2036. The structure is 493 ft (150.3 m) long and 64 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries36th St. Ens.
CrossesFrisco * Sou RR
Location36th ST Ens * RR
RouteCity Street 0
CountyJefferson County
StateAlabama
Coordinates33.5008, -86.91166
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 alignment6: Equal to present minimum criteria
Operating rating59.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length493 ft (150.3 m)
Longest span70 ft (21.3 m)
Deck width64 ft (19.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2016)
Projected traffic20,000 by 2036
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$7.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 36th St. Ens. over Frisco * Sou RR built?

It was built in 1967, making it 58 years old in 2025.

What condition is 36th St. Ens. over Frisco * Sou 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 36th St. Ens. over Frisco * Sou RR carry?

About 14,000 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is 36th St. Ens. over Frisco * Sou RR?

The structure is 493 ft (150.3 m) long with a longest span of 70 ft (21.3 m) and a deck 64 ft wide.

Who owns 36th St. Ens. over Frisco * Sou RR?

It is owned by the City or Municipal Highway Agency.