US Bridges

I-22 over Clifty Branch

Good

Walker County, Alabama · I-22 @ Clifty Branch · Structure no. 017689

Built
2004
21 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
720 ft
6 main spans
Daily traffic
14,713
2020 count
Owner
State
State Highway Agency

About this bridge

I-22 over Clifty Branch is a prestressed concrete stringer/multi-beam or girder carrying I-22 over Clifty Branch 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 14,713 vehicles a day, roughly 24% of them trucks, projected to reach 16,000 by 2040. The structure is 720 ft (219.5 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-22
CrossesClifty Branch
LocationI-22 @ Clifty Branch
RouteInterstate 22
CountyWalker County
StateAlabama
Coordinates33.91561, -87.51132
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.6 US tons
Inventory rating54.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length720 ft (219.5 m)
Longest span120 ft (36.6 m)
Deck width52 ft (15.8 m)
Roadway width43 ft (13 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic14,713 (2020)
Projected traffic16,000 by 2040
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollToll bridge segment under Secretarial agreement
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$8.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-22 over Clifty Branch built?

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

What condition is I-22 over Clifty Branch 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 October 2024.

How much traffic does I-22 over Clifty Branch carry?

About 14,713 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is I-22 over Clifty Branch?

The structure is 720 ft (219.5 m) long with a longest span of 120 ft (36.6 m) and a deck 52 ft wide.

Who owns I-22 over Clifty Branch?

It is owned by the State Highway Agency.