US Bridges

I-10 EB * WB over Bay Branch

Fair

Baldwin County, Alabama · 5.8 MI E JCT US 90 * I-10 · Structure no. 009856

Built
1969
56 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
63,093
2023 count
Owner
State
State Highway Agency

About this bridge

I-10 EB * WB over Bay Branch is a concrete culvert carrying I-10 EB * WB over Bay Branch in Baldwin County, Alabama. It was built in 1969, so it is 56 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 63,093 vehicles a day, roughly 16% of them trucks, projected to reach 94,640 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-10 EB * WB
CrossesBay Branch
Location5.8 MI E JCT US 90 * I-10
RouteInterstate 10
StateAlabama
Coordinates30.65869, -87.81932
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,093 (2023)
Projected traffic94,640 by 2043
Trucks16%
Lanes on structure4
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$5.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-10 EB * WB over Bay Branch built?

It was built in 1969, making it 56 years old in 2025.

What condition is I-10 EB * WB over Bay Branch 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 EB * WB over Bay Branch carry?

About 63,093 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is I-10 EB * WB over Bay Branch?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m).

Who owns I-10 EB * WB over Bay Branch?

It is owned by the State Highway Agency.