US Bridges

I-65 NB over Steele Creek

Fair

Mobile County, Alabama · 1.6 MI S US 43 · Structure no. 009275

Built
1967
58 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
18,310
2022 count
Owner
State
State Highway Agency

About this bridge

I-65 NB over Steele Creek is a concrete culvert carrying I-65 NB over Steele Creek in Mobile County, Alabama. It was built in 1967, so it is 58 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 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 18,310 vehicles a day, roughly 16% of them trucks, projected to reach 27,465 by 2042. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-65 NB
CrossesSteele Creek
Location1.6 MI S US 43
RouteInterstate 65
CountyMobile County
StateAlabama
Coordinates30.86311, -88.06725
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating61.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,310 (2022)
Projected traffic27,465 by 2042
Trucks16%
Lanes on structure2
Traffic directionOne-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 proposedNone recorded
Estimated improvement cost$736,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-65 NB over Steele Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-65 NB over Steele 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 NB over Steele Creek carry?

About 18,310 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I-65 NB over Steele Creek?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns I-65 NB over Steele Creek?

It is owned by the State Highway Agency.