US Bridges

I-65 NB to I165 SB over I-65

Fair

Mobile County, Alabama · I-165 * I-65 Interchange · Structure no. 015585

Built
1993
32 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
151 ft
2 main spans
Daily traffic
11,625
2023 count
Owner
State
State Highway Agency

About this bridge

I-65 NB to I165 SB over I-65 is a prestressed concrete continuous stringer/multi-beam or girder carrying I-65 NB to I165 SB over I-65 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 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 11,625 vehicles a day, roughly 12% of them trucks, projected to reach 17,438 by 2043. The structure is 151 ft (46 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-65 NB to I165 SB
CrossesI-65
LocationI-165 * I-65 Interchange
RouteInterstate 165
CountyMobile County
StateAlabama
Coordinates30.75185, -88.09299
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 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 geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.3 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length151 ft (46 m)
Longest span76 ft (23.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,625 (2023)
Projected traffic17,438 by 2043
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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$1.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-65 NB to I165 SB over I-65 built?

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

What condition is I-65 NB to I165 SB over I-65 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 September 2024.

How much traffic does I-65 NB to I165 SB over I-65 carry?

About 11,625 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is I-65 NB to I165 SB over I-65?

The structure is 151 ft (46 m) long with a longest span of 76 ft (23.2 m) and a deck 43 ft wide.

Who owns I-65 NB to I165 SB over I-65?

It is owned by the State Highway Agency.