US Bridges

I-10 WB over SR 59

Fair

Baldwin County, Alabama · JCT I-10 * SR 59 · Structure no. 008518

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete Continuous
Length
348 ft
5 main spans
Daily traffic
27,747
2022 count
Owner
State
State Highway Agency

About this bridge

I-10 WB over SR 59 is a concrete continuous tee beam carrying I-10 WB over SR 59 in Baldwin County, Alabama. It was built in 1965, so it is 60 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 348 ft (106.1 m) long and 33 ft wide.

CarriesI-10 WB
CrossesSR 59
LocationJCT I-10 * SR 59
RouteInterstate 10
StateAlabama
Coordinates30.65204, -87.76062
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.
Substructure7 GoodSome minor problems.
Last inspectionJune 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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.3 US tons
Inventory rating29.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length348 ft (106.1 m)
Longest span75 ft (22.9 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 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
CrossesHighway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-10 WB over SR 59 built?

It was built in 1965, making it 60 years old in 2025.

What condition is I-10 WB over SR 59 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 June 2024.

How much traffic does I-10 WB over SR 59 carry?

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

How long is I-10 WB over SR 59?

The structure is 348 ft (106.1 m) long with a longest span of 75 ft (22.9 m) and a deck 33 ft wide.

Who owns I-10 WB over SR 59?

It is owned by the State Highway Agency.