US Bridges

I-22 over CR-30

Good

Walker County, Alabama · I-22 & CR-30 · Structure no. 017634

Built
2003
22 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
344 ft
3 main spans
Daily traffic
13,401
2020 count
Owner
State
State Highway Agency

About this bridge

I-22 over CR-30 is a prestressed concrete stringer/multi-beam or girder carrying I-22 over CR-30 in Walker County, Alabama. It was built in 2003, so it is 22 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 13,401 vehicles a day, roughly 28% of them trucks, projected to reach 22,501 by 2040. The structure is 344 ft (105 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-22
CrossesCR-30
LocationI-22 & CR-30
RouteInterstate 22
StateAlabama
Coordinates33.95493, -87.63321
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 inspectionJuly 2023
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 alignment8: Equal to present desirable criteria
Operating rating79.6 US tons
Inventory rating47.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length344 ft (105 m)
Longest span115 ft (35 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic13,401 (2020)
Projected traffic22,501 by 2040
Trucks28%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-22 over CR-30 built?

It was built in 2003, making it 22 years old in 2025.

What condition is I-22 over CR-30 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 July 2023.

How much traffic does I-22 over CR-30 carry?

About 13,401 vehicles per day (2020 count), of which roughly 28% are trucks.

How long is I-22 over CR-30?

The structure is 344 ft (105 m) long with a longest span of 115 ft (35 m) and a deck 42 ft wide.

Who owns I-22 over CR-30?

It is owned by the State Highway Agency.