US Bridges

Fort Lake Road over Bay Branch

Fair

Mobile County, Alabama · 2.0 MI SW CO 11 · Structure no. 015547

Built
1992
33 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
51 ft
4 main spans
Daily traffic
1,322
2024 count
Owner
County
County Highway Agency

About this bridge

Fort Lake Road over Bay Branch is a concrete continuous culvert carrying Fort Lake Road over Bay Branch in Mobile County, Alabama. It was built in 1992, so it is 33 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 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 1,322 vehicles a day, roughly 9% of them trucks, projected to reach 1,964 by 2044. The structure is 51 ft (15.5 m) long and 48 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesFort Lake Road
CrossesBay Branch
Location2.0 MI SW CO 11
RouteCounty Highway 33
CountyMobile County
StateAlabama
Coordinates30.5501, -88.36859
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.8 US tons
Inventory rating40.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span12 ft (3.7 m)
Deck width48 ft (14.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,322 (2024)
Projected traffic1,964 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$681,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Fort Lake Road over Bay Branch built?

It was built in 1992, making it 33 years old in 2025.

What condition is Fort Lake Road 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 September 2024.

How much traffic does Fort Lake Road over Bay Branch carry?

About 1,322 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Fort Lake Road over Bay Branch?

The structure is 51 ft (15.5 m) long with a longest span of 12 ft (3.7 m) and a deck 48 ft wide.

Who owns Fort Lake Road over Bay Branch?

It is owned by the County Highway Agency.