US Bridges

Windmill Ridge RD over Canal

Fair

Baldwin County, Alabama · 0.1 M E of W 4th ST · Structure no. 018247

Built
2001
24 years old
Condition
Fair
inspected February 2025
Type
Channel Beam
Concrete
Length
24 ft
1 main span
Daily traffic
669
2025 count
Owner
City
City or Municipal Highway Agency

About this bridge

Windmill Ridge RD over Canal is a concrete channel beam carrying Windmill Ridge RD over Canal in Baldwin County, Alabama. It was built in 2001, so it is 24 years old, younger 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 669 vehicles a day, roughly 3% of them trucks, projected to reach 1,004 by 2045. The structure is 24 ft (7.3 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWindmill Ridge RD
CrossesCanal
Location0.1 M E of W 4th ST
RouteCity Street 0
CountyBaldwin County
StateAlabama
Coordinates30.25128, -87.69747
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.2 US tons
Inventory rating34.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width34 ft (10.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic669 (2025)
Projected traffic1,004 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$353,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Windmill Ridge RD over Canal built?

It was built in 2001, making it 24 years old in 2025.

What condition is Windmill Ridge RD over Canal 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 February 2025.

How much traffic does Windmill Ridge RD over Canal carry?

About 669 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is Windmill Ridge RD over Canal?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 34 ft wide.

Who owns Windmill Ridge RD over Canal?

It is owned by the City or Municipal Highway Agency.