US Bridges

Baker St. Ext. over Southern Drain Canal

Good

Mobile County, Alabama · 0.4M East I-10 · Structure no. 020867

Built
2014
11 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
150
2025 count
Owner
City
City or Municipal Highway Agency

About this bridge

Baker St. Ext. over Southern Drain Canal is a prestressed concrete stringer/multi-beam or girder carrying Baker St. Ext. over Southern Drain Canal in Mobile County, Alabama. It was built in 2014, so it is 11 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 50% of them trucks, projected to reach 230 by 2045. The structure is 80 ft (24.4 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesBaker St. Ext.
CrossesSouthern Drain Canal
Location0.4M East I-10
RouteCity Street 0
StateAlabama
Coordinates30.66672, -88.0441
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.5 US tons
Inventory rating53.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span76 ft (23.1 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2025)
Projected traffic230 by 2045
Trucks50%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$947,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Baker St. Ext. over Southern Drain Canal built?

It was built in 2014, making it 11 years old in 2025.

What condition is Baker St. Ext. over Southern Drain Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does Baker St. Ext. over Southern Drain Canal carry?

About 150 vehicles per day (2025 count), of which roughly 50% are trucks.

How long is Baker St. Ext. over Southern Drain Canal?

The structure is 80 ft (24.4 m) long with a longest span of 76 ft (23.1 m) and a deck 38 ft wide.

Who owns Baker St. Ext. over Southern Drain Canal?

It is owned by the City or Municipal Highway Agency.