US Bridges

I165SB to Whistler over Whistler ST

Good

Mobile County, Alabama · I165 @ Whistler ST · Structure no. 015583

Built
1993
32 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
385 ft
6 main spans
Daily traffic
2,949
2023 count
Owner
State
State Highway Agency

About this bridge

I165SB to Whistler over Whistler ST is a prestressed concrete stringer/multi-beam or girder carrying I165SB to Whistler over Whistler ST in Mobile County, Alabama. It was built in 1993, so it is 32 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 2,949 vehicles a day, roughly 7% of them trucks, projected to reach 4,423 by 2043. The structure is 385 ft (117.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI165SB to Whistler
CrossesWhistler ST
LocationI165 @ Whistler ST
RouteInterstate 165
StateAlabama
Coordinates30.74764, -88.09
Functional classUrban 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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length385 ft (117.3 m)
Longest span75 ft (22.9 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,949 (2023)
Projected traffic4,423 by 2043
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$2.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I165SB to Whistler over Whistler ST built?

It was built in 1993, making it 32 years old in 2025.

What condition is I165SB to Whistler over Whistler ST 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 September 2024.

How much traffic does I165SB to Whistler over Whistler ST carry?

About 2,949 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I165SB to Whistler over Whistler ST?

The structure is 385 ft (117.3 m) long with a longest span of 75 ft (22.9 m) and a deck 28 ft wide.

Who owns I165SB to Whistler over Whistler ST?

It is owned by the State Highway Agency.