US Bridges

15th ST Ensley over I - 20/59

Fair

Jefferson County, Alabama · I -20/59 & 15th ST · Structure no. 008975

Built
1966
59 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
273 ft
4 main spans
Daily traffic
500
2024 count
Owner
State
State Highway Agency

About this bridge

15th ST Ensley over I - 20/59 is a concrete continuous tee beam carrying 15th ST Ensley over I - 20/59 in Jefferson County, Alabama. It was built in 1966, so it is 59 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 700 by 2044. The structure is 273 ft (83.2 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries15th ST Ensley
CrossesI - 20/59
LocationI -20/59 & 15th ST
RouteCity Street 0
StateAlabama
Coordinates33.5139, -86.8728
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.1 US tons
Inventory rating38.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length273 ft (83.2 m)
Longest span75 ft (22.9 m)
Deck width38 ft (11.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2024)
Projected traffic700 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost$2.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 15th ST Ensley over I - 20/59 built?

It was built in 1966, making it 59 years old in 2025.

What condition is 15th ST Ensley over I - 20/59 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 15th ST Ensley over I - 20/59 carry?

About 500 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is 15th ST Ensley over I - 20/59?

The structure is 273 ft (83.2 m) long with a longest span of 75 ft (22.9 m) and a deck 38 ft wide.

Who owns 15th ST Ensley over I - 20/59?

It is owned by the State Highway Agency.