US Bridges

I-10 WB over Canal ST * Jackson ST

Fair

Mobile County, Alabama · West Tunnel Interchange · Structure no. 010663

Built
1972
53 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
481 ft
7 main spans
Daily traffic
39,248
2022 count
Owner
State
State Highway Agency

About this bridge

I-10 WB over Canal ST * Jackson ST is a steel stringer/multi-beam or girder carrying I-10 WB over Canal ST * Jackson ST in Mobile County, Alabama. It was built in 1972, so it is 53 years old, older 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 5 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 39,248 vehicles a day, roughly 13% of them trucks, projected to reach 58,872 by 2042. The structure is 481 ft (146.6 m) long and 67 ft wide.

Location

Open in Google Maps
CarriesI-10 WB
CrossesCanal ST * Jackson ST
LocationWest Tunnel Interchange
RouteInterstate 10
CountyMobile County
StateAlabama
Coordinates30.68301, -88.04276
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans7 (+6 approach)
Design loadHS 20
Structure length481 ft (146.6 m)
Longest span124 ft (37.8 m)
Deck width67 ft (20.4 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,248 (2022)
Projected traffic58,872 by 2042
Trucks13%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$7.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-10 WB over Canal ST * Jackson ST built?

It was built in 1972, making it 53 years old in 2025.

What condition is I-10 WB over Canal ST * Jackson ST 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 April 2024.

How much traffic does I-10 WB over Canal ST * Jackson ST carry?

About 39,248 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is I-10 WB over Canal ST * Jackson ST?

The structure is 481 ft (146.6 m) long with a longest span of 124 ft (37.8 m) and a deck 67 ft wide.

Who owns I-10 WB over Canal ST * Jackson ST?

It is owned by the State Highway Agency.