US Bridges

I-22 over AL-118

Good

Walker County, Alabama · Carbon Hill Interchange · Structure no. 016454

Built
2001
24 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
376 ft
4 main spans
Daily traffic
787
2020 count
Owner
State
State Highway Agency

About this bridge

I-22 over AL-118 is a steel continuous 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 787 vehicles a day, roughly 10% of them trucks, projected to reach 1,645 by 2040. The structure is 376 ft (114.6 m) long and 36 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
Coordinates33.87016, -87.43781
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 geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72.4 US tons
Inventory rating43.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length376 ft (114.6 m)
Longest span104 ft (31.7 m)
Deck width36 ft (10.9 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic787 (2020)
Projected traffic1,645 by 2040
Trucks10%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.3 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 787 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is I-22 over AL-118?

The structure is 376 ft (114.6 m) long with a longest span of 104 ft (31.7 m) and a deck 36 ft wide.

Who owns I-22 over AL-118?

It is owned by the State Highway Agency.