US Bridges

Avenue I over Al 150

FairPosted for load

Jefferson County, Alabama · Avenue I * Al. 150 · Structure no. 010094

Built
1942
83 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
247 ft
1 main span
Daily traffic
550
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Avenue I over Al 150 is a steel stringer/multi-beam or girder carrying Avenue I over Al 150 in Jefferson County, Alabama. It was built in 1942, so it is 83 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. Its operating status is: posted for load restriction.

It carries about 550 vehicles a day, roughly 2% of them trucks, projected to reach 500 by 2043. The structure is 247 ft (75.3 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesAvenue I
CrossesAl 150
LocationAvenue I * Al. 150
RouteCity Street 0
CountyJefferson County
StateAlabama
Coordinates33.38784, -86.94451
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating7.6 US tons
Inventory rating4.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+8 approach)
Design loadUnknown
Structure length247 ft (75.3 m)
Longest span79 ft (24.1 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2023)
Projected traffic500 by 2043
Trucks2%
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

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$2.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Avenue I over Al 150 built?

It was built in 1942, making it 83 years old in 2025.

What condition is Avenue I over Al 150 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 July 2023.

How much traffic does Avenue I over Al 150 carry?

About 550 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Avenue I over Al 150?

The structure is 247 ft (75.3 m) long with a longest span of 79 ft (24.1 m) and a deck 32 ft wide.

Who owns Avenue I over Al 150?

It is owned by the City or Municipal Highway Agency.