US Bridges

AL-17 over I-22

Fair

Marion County, Alabama · 11.5 MP on I-22/ AL-17 · Structure no. 014541

Built
1988
37 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
337 ft
2 main spans
Daily traffic
2,900
2020 count
Owner
State
State Highway Agency

About this bridge

AL-17 over I-22 is a steel continuous stringer/multi-beam or girder carrying AL-17 over I-22 in Marion County, Alabama. It was built in 1988, so it is 37 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 2,900 vehicles a day, roughly 18% of them trucks, projected to reach 3,250 by 2040. The structure is 337 ft (102.7 m) long and 55 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesAL-17
CrossesI-22
Location11.5 MP on I-22/ AL-17
RouteState Highway 17
StateAlabama
Coordinates34.12001, -88.04583
Functional classRural Minor Arterial

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.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating45.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length337 ft (102.7 m)
Longest span160 ft (48.8 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2020)
Projected traffic3,250 by 2040
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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)
NavigationNot applicable (no waterway)

Frequently asked questions

When was AL-17 over I-22 built?

It was built in 1988, making it 37 years old in 2025.

What condition is AL-17 over I-22 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 January 2025.

How much traffic does AL-17 over I-22 carry?

About 2,900 vehicles per day (2020 count), of which roughly 18% are trucks.

How long is AL-17 over I-22?

The structure is 337 ft (102.7 m) long with a longest span of 160 ft (48.8 m) and a deck 55 ft wide.

Who owns AL-17 over I-22?

It is owned by the State Highway Agency.