US Bridges

Little River Road over Snake Bayou

Fair

Mobile County, Alabama · 0.5 MI W SR 188 · Structure no. 011601

Built
1976
49 years old
Condition
Fair
inspected August 2023
Type
Channel Beam
Concrete
Length
48 ft
2 main spans
Daily traffic
2,501
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Little River Road over Snake Bayou is a concrete channel beam carrying Little River Road over Snake Bayou in Mobile County, Alabama. It was built in 1976, so it is 49 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 2,501 vehicles a day, roughly 1% of them trucks, projected to reach 3,376 by 2043. The structure is 48 ft (14.6 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLittle River Road
CrossesSnake Bayou
Location0.5 MI W SR 188
RouteCity Street 0
CountyMobile County
StateAlabama
Coordinates30.407, -88.257
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionAugust 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.7 US tons
Inventory rating40.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length48 ft (14.6 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,501 (2023)
Projected traffic3,376 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$387,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Little River Road over Snake Bayou built?

It was built in 1976, making it 49 years old in 2025.

What condition is Little River Road over Snake Bayou 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 August 2023.

How much traffic does Little River Road over Snake Bayou carry?

About 2,501 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Little River Road over Snake Bayou?

The structure is 48 ft (14.6 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns Little River Road over Snake Bayou?

It is owned by the City or Municipal Highway Agency.