US Bridges

Whistler to I165NB over Whistler ST

Good

Mobile County, Alabama · I-165 @ Whistler ST · Structure no. 015584

Built
1993
32 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
640 ft
9 main spans
Daily traffic
2,750
2023 count
Owner
State
State Highway Agency

About this bridge

Whistler to I165NB over Whistler ST is a prestressed concrete continuous stringer/multi-beam or girder carrying Whistler to I165NB 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 2,750 vehicles a day, roughly 4% of them trucks, projected to reach 4,125 by 2043. The structure is 640 ft (195.1 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWhistler to I165NB
CrossesWhistler ST
LocationI-165 @ Whistler ST
RouteInterstate 165
StateAlabama
Coordinates30.7475, -88.08941
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 rating61.1 US tons
Inventory rating35.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length640 ft (195.1 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 traffic2,750 (2023)
Projected traffic4,125 by 2043
Trucks4%
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$4.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Whistler to I165NB over Whistler ST built?

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

What condition is Whistler to I165NB 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 Whistler to I165NB over Whistler ST carry?

About 2,750 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Whistler to I165NB over Whistler ST?

The structure is 640 ft (195.1 m) long with a longest span of 75 ft (22.9 m) and a deck 28 ft wide.

Who owns Whistler to I165NB over Whistler ST?

It is owned by the State Highway Agency.