US Bridges

I-22 over Dora Flat Creek RD

Good

Walker County, Alabama · I-22 over CR-81 · Structure no. 018270

Built
2004
21 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
307 ft
3 main spans
Daily traffic
25,062
2020 count
Owner
State
State Highway Agency

About this bridge

I-22 over Dora Flat Creek RD is a prestressed concrete stringer/multi-beam or girder carrying I-22 over Dora Flat Creek RD in Walker County, Alabama. It was built in 2004, so it is 21 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 25,062 vehicles a day, roughly 20% of them trucks, projected to reach 30,000 by 2040. The structure is 307 ft (93.6 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-22
CrossesDora Flat Creek RD
LocationI-22 over CR-81
RouteInterstate 22
StateAlabama
Coordinates33.67912, -87.08401
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 inspectionJanuary 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 alignment8: Equal to present desirable criteria
Operating rating80.2 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length307 ft (93.6 m)
Longest span119 ft (36.3 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,062 (2020)
Projected traffic30,000 by 2040
Trucks20%
Lanes on structure3
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$4.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-22 over Dora Flat Creek RD built?

It was built in 2004, making it 21 years old in 2025.

What condition is I-22 over Dora Flat Creek RD 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 January 2025.

How much traffic does I-22 over Dora Flat Creek RD carry?

About 25,062 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is I-22 over Dora Flat Creek RD?

The structure is 307 ft (93.6 m) long with a longest span of 119 ft (36.3 m) and a deck 59 ft wide.

Who owns I-22 over Dora Flat Creek RD?

It is owned by the State Highway Agency.