US Bridges

I-65 over US 90

Fair

Mobile County, Alabama · I-65 @ US 90 · Structure no. 013806

Built
1961
64 years old, rebuilt 1986
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete Continuous
Length
273 ft
4 main spans
Daily traffic
89,739
2022 count
Owner
State
State Highway Agency

About this bridge

I-65 over US 90 is a concrete continuous tee beam carrying I-65 over US 90 in Mobile County, Alabama. It was built in 1961 and reconstructed in 1986, so it is 64 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 89,739 vehicles a day, roughly 9% of them trucks, projected to reach 134,608 by 2042. The structure is 273 ft (83.2 m) long and 146 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-65
CrossesUS 90
LocationI-65 @ US 90
RouteInterstate 65
CountyMobile County
StateAlabama
Coordinates30.65176, -88.1223
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 inspectionMay 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 rating46.5 US tons
Inventory rating27.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length273 ft (83.2 m)
Longest span75 ft (22.9 m)
Deck width146 ft (44.4 m)
Roadway width141 ft (42.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89,739 (2022)
Projected traffic134,608 by 2042
Trucks9%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$10.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-65 over US 90 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1986.

What condition is I-65 over US 90 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 May 2024.

How much traffic does I-65 over US 90 carry?

About 89,739 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is I-65 over US 90?

The structure is 273 ft (83.2 m) long with a longest span of 75 ft (22.9 m) and a deck 146 ft wide.

Who owns I-65 over US 90?

It is owned by the State Highway Agency.