US Bridges

Al - 7 (us 11) over Avondale Ck

Fair

Jefferson County, Alabama · 1st Ave. @ 39th ST · Structure no. 012361

Built
1910
115 years old, rebuilt 1985
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
17,380
2024 count
Owner
State
State Highway Agency

About this bridge

Al - 7 (us 11) over Avondale Ck is a concrete culvert carrying Al - 7 (us 11) over Avondale Ck in Jefferson County, Alabama. It was built in 1910 and reconstructed in 1985, so it is 115 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 17,380 vehicles a day, roughly 3% of them trucks, projected to reach 20,570 by 2044. The structure is 35 ft (10.7 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAl - 7 (us 11)
CrossesAvondale Ck
Location1st Ave. @ 39th ST
RouteU.S. Route 11
StateAlabama
Coordinates33.5265, -86.7803
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.7 US tons
Inventory rating53.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span12 ft (3.7 m)
Deck width68 ft (20.7 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,380 (2024)
Projected traffic20,570 by 2044
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$1.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Al - 7 (us 11) over Avondale Ck built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1985.

What condition is Al - 7 (us 11) over Avondale Ck 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 November 2024.

How much traffic does Al - 7 (us 11) over Avondale Ck carry?

About 17,380 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Al - 7 (us 11) over Avondale Ck?

The structure is 35 ft (10.7 m) long with a longest span of 12 ft (3.7 m) and a deck 68 ft wide.

Who owns Al - 7 (us 11) over Avondale Ck?

It is owned by the State Highway Agency.