US Bridges

I - 20 West over Al - 7 (1st Ave No)

Fair

Jefferson County, Alabama · I20 * US 11 · Structure no. 011057

Built
1974
51 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
251 ft
4 main spans
Daily traffic
30,680
2024 count
Owner
State
State Highway Agency

About this bridge

I - 20 West over Al - 7 (1st Ave No) is a steel stringer/multi-beam or girder carrying I - 20 West over Al - 7 (1st Ave No) in Jefferson County, Alabama. It was built in 1974, so it is 51 years old, younger 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 30,680 vehicles a day, roughly 14% of them trucks, projected to reach 37,066 by 2044. The structure is 251 ft (76.5 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI - 20 West
CrossesAl - 7 (1st Ave No)
LocationI20 * US 11
RouteInterstate 20
CountyJefferson County
StateAlabama
Coordinates33.54671, -86.74488
Functional classUrban Principal Arterial - Interstate

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length251 ft (76.5 m)
Longest span95 ft (29.1 m)
Deck width57 ft (17.4 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,680 (2024)
Projected traffic37,066 by 2044
Trucks14%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$3.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I - 20 West over Al - 7 (1st Ave No) built?

It was built in 1974, making it 51 years old in 2025.

What condition is I - 20 West over Al - 7 (1st Ave No) 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 September 2024.

How much traffic does I - 20 West over Al - 7 (1st Ave No) carry?

About 30,680 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is I - 20 West over Al - 7 (1st Ave No)?

The structure is 251 ft (76.5 m) long with a longest span of 95 ft (29.1 m) and a deck 57 ft wide.

Who owns I - 20 West over Al - 7 (1st Ave No)?

It is owned by the State Highway Agency.