US Bridges

US 90 over Chacaloochee Bay

Fair

Baldwin County, Alabama · 0.3 MI E I10 Midbay Intch · Structure no. 009071

Built
1966
59 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
22,831
2023 count
Owner
State
State Highway Agency

About this bridge

US 90 over Chacaloochee Bay is a concrete culvert carrying US 90 over Chacaloochee Bay in Baldwin County, Alabama. It was built in 1966, so it is 59 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 22,831 vehicles a day, roughly 4% of them trucks, projected to reach 34,246 by 2043. The structure is 43 ft (13.1 m) long.

CarriesUS 90
CrossesChacaloochee Bay
Location0.3 MI E I10 Midbay Intch
RouteU.S. Route 90
StateAlabama
Coordinates30.67658, -87.97744
Functional classRural Major Collector

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 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 traffic22,831 (2023)
Projected traffic34,246 by 2043
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

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$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 90 over Chacaloochee Bay built?

It was built in 1966, making it 59 years old in 2025.

What condition is US 90 over Chacaloochee Bay 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 2024.

How much traffic does US 90 over Chacaloochee Bay carry?

About 22,831 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 90 over Chacaloochee Bay?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns US 90 over Chacaloochee Bay?

It is owned by the State Highway Agency.