US Bridges

I-65 over Three Mile Creek

Fair

Mobile County, Alabama · 0.4 MI N US 98 · Structure no. 009502

Built
1962
63 years old, rebuilt 1968
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
108 ft
5 main spans
Daily traffic
92,601
2022 count
Owner
State
State Highway Agency

About this bridge

I-65 over Three Mile Creek is a concrete culvert carrying I-65 over Three Mile Creek in Mobile County, Alabama. It was built in 1962 and reconstructed in 1968, so it is 63 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 92,601 vehicles a day, roughly 10% of them trucks, projected to reach 138,902 by 2042. The structure is 108 ft (32.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-65
CrossesThree Mile Creek
Location0.4 MI N US 98
RouteInterstate 65
CountyMobile County
StateAlabama
Coordinates30.71157, -88.12134
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80.7 US tons
Inventory rating48.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length108 ft (32.9 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92,601 (2022)
Projected traffic138,902 by 2042
Trucks10%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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$10.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-65 over Three Mile Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1968.

What condition is I-65 over Three Mile Creek 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 March 2024.

How much traffic does I-65 over Three Mile Creek carry?

About 92,601 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is I-65 over Three Mile Creek?

The structure is 108 ft (32.9 m) long with a longest span of 15 ft (4.6 m).

Who owns I-65 over Three Mile Creek?

It is owned by the State Highway Agency.