US Bridges

I-22 over AL-118

Good

Walker County, Alabama · Carbon Hill Interchange · Structure no. 016452

Built
2001
24 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
444 ft
4 main spans
Daily traffic
18,196
2020 count
Owner
State
State Highway Agency

About this bridge

I-22 over AL-118 is a prestressed concrete stringer/multi-beam or girder carrying I-22 over AL-118 in Walker County, Alabama. It was built in 2001, so it is 24 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 18,196 vehicles a day, roughly 24% of them trucks, projected to reach 25,613 by 2040. The structure is 444 ft (135.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-22
CrossesAL-118
LocationCarbon Hill Interchange
RouteInterstate 22
StateAlabama
Coordinates33.8704, -87.4391
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.6 US tons
Inventory rating43.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length444 ft (135.3 m)
Longest span126 ft (38.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,196 (2020)
Projected traffic25,613 by 2040
Trucks24%
Lanes on structure2
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 proposedNone recorded
Estimated improvement cost$4.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-22 over AL-118 built?

It was built in 2001, making it 24 years old in 2025.

What condition is I-22 over AL-118 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 February 2025.

How much traffic does I-22 over AL-118 carry?

About 18,196 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is I-22 over AL-118?

The structure is 444 ft (135.3 m) long with a longest span of 126 ft (38.4 m) and a deck 43 ft wide.

Who owns I-22 over AL-118?

It is owned by the State Highway Agency.