US Bridges

I-10 over Fowl River

Fair

Mobile County, Alabama · 4.2 MI W US 90 · Structure no. 008127

Built
1964
61 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
63 ft
5 main spans
Daily traffic
60,980
2022 count
Owner
State
State Highway Agency

About this bridge

I-10 over Fowl River is a concrete culvert carrying I-10 over Fowl River in Mobile County, Alabama. It was built in 1964, so it is 61 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 60,980 vehicles a day, roughly 24% of them trucks, projected to reach 91,470 by 2042. The structure is 63 ft (19.1 m) long. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesI-10
CrossesFowl River
Location4.2 MI W US 90
RouteInterstate 10
CountyMobile County
StateAlabama
Coordinates30.54394, -88.22607
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating46 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length63 ft (19.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,980 (2022)
Projected traffic91,470 by 2042
Trucks24%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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$3.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-10 over Fowl River built?

It was built in 1964, making it 61 years old in 2025.

What condition is I-10 over Fowl River 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 November 2023.

How much traffic does I-10 over Fowl River carry?

About 60,980 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is I-10 over Fowl River?

The structure is 63 ft (19.1 m) long with a longest span of 12 ft (3.7 m).

Who owns I-10 over Fowl River?

It is owned by the State Highway Agency.