US Bridges

Al - 7 (us 11) over Drainage Ditch

Good

Jefferson County, Alabama · @ Gray Auto · Structure no. 020235

Built
2008
17 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
15,160
2022 count
Owner
State
State Highway Agency

About this bridge

Al - 7 (us 11) over Drainage Ditch is a concrete culvert carrying Al - 7 (us 11) over Drainage Ditch in Jefferson County, Alabama. It was built in 2008, so it is 17 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,160 vehicles a day, roughly 3% of them trucks, projected to reach 19,862 by 2042. The structure is 25 ft (7.5 m) long and 999 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAl - 7 (us 11)
CrossesDrainage Ditch
Location@ Gray Auto
RouteU.S. Route 11
CountyJefferson County
StateAlabama
Coordinates33.60861, -86.62889
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating67.5 US tons
Inventory rating40.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span8 ft (2.4 m)
Deck width999 ft (304.5 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic15,160 (2022)
Projected traffic19,862 by 2042
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$4.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Al - 7 (us 11) over Drainage Ditch built?

It was built in 2008, making it 17 years old in 2025.

What condition is Al - 7 (us 11) over Drainage Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Al - 7 (us 11) over Drainage Ditch carry?

About 15,160 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Al - 7 (us 11) over Drainage Ditch?

The structure is 25 ft (7.5 m) long with a longest span of 8 ft (2.4 m) and a deck 999 ft wide.

Who owns Al - 7 (us 11) over Drainage Ditch?

It is owned by the State Highway Agency.