US Bridges

I-10 EB over Three Mile Creek

Fair

Baldwin County, Alabama · 7.9 MI E US 90 · Structure no. 010173

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
238 ft
7 main spans
Daily traffic
27,747
2022 count
Owner
State
State Highway Agency

About this bridge

I-10 EB over Three Mile Creek is a concrete tee beam carrying I-10 EB over Three Mile Creek in Baldwin County, Alabama. It was built in 1970, so it is 55 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 27,747 vehicles a day, roughly 21% of them trucks, projected to reach 41,620 by 2042. The structure is 238 ft (72.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-10 EB
CrossesThree Mile Creek
Location7.9 MI E US 90
RouteInterstate 10
StateAlabama
Coordinates30.65188, -87.78092
Functional classRural 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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.5 US tons
Inventory rating32.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length238 ft (72.5 m)
Longest span34 ft (10.4 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,747 (2022)
Projected traffic41,620 by 2042
Trucks21%
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$2.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-10 EB over Three Mile Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-10 EB 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 July 2024.

How much traffic does I-10 EB over Three Mile Creek carry?

About 27,747 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is I-10 EB over Three Mile Creek?

The structure is 238 ft (72.5 m) long with a longest span of 34 ft (10.4 m) and a deck 43 ft wide.

Who owns I-10 EB over Three Mile Creek?

It is owned by the State Highway Agency.