US Bridges

I-22 over BNSF Railroad

Fair

Walker County, Alabama · M.P. 61.7 on I-22 · Structure no. 016334

Built
1995
30 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
440 ft
4 main spans
Daily traffic
18,526
2020 count
Owner
State
State Highway Agency

About this bridge

I-22 over BNSF Railroad is a prestressed concrete stringer/multi-beam or girder carrying I-22 over BNSF Railroad in Walker County, Alabama. It was built in 1995, so it is 30 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 18,526 vehicles a day, roughly 20% of them trucks, projected to reach 24,337 by 2040. The structure is 440 ft (134.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-22
CrossesBNSF Railroad
LocationM.P. 61.7 on I-22
RouteInterstate 22
CountyWalker County
StateAlabama
Coordinates33.8101, -87.29473
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.5 US tons
Inventory rating46.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length440 ft (134.1 m)
Longest span110 ft (33.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,526 (2020)
Projected traffic24,337 by 2040
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
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$4.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-22 over BNSF Railroad built?

It was built in 1995, making it 30 years old in 2025.

What condition is I-22 over BNSF Railroad in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does I-22 over BNSF Railroad carry?

About 18,526 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is I-22 over BNSF Railroad?

The structure is 440 ft (134.1 m) long with a longest span of 110 ft (33.5 m) and a deck 43 ft wide.

Who owns I-22 over BNSF Railroad?

It is owned by the State Highway Agency.