US Bridges

South Service Rd. over Drainage

Good

Mobile County, Alabama · 1.3 Miles N. of Baker RD · Structure no. 020299

Built
2008
17 years old
Condition
Good
inspected March 2025
Type
Culvert
Concrete
Length
31 ft
4 main spans
Daily traffic
53
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

South Service Rd. over Drainage is a concrete culvert carrying South Service Rd. over Drainage in Mobile County, Alabama. It was built in 2008, so it is 17 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 53 vehicles a day, projected to reach 72 by 2043. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSouth Service Rd.
CrossesDrainage
Location1.3 Miles N. of Baker RD
RouteCity Street 0
StateAlabama
Coordinates30.8643, -88.0731
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span3 ft (0.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53 (2023)
Projected traffic72 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$504,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Service Rd. over Drainage built?

It was built in 2008, making it 17 years old in 2025.

What condition is South Service Rd. over Drainage 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 March 2025.

How much traffic does South Service Rd. over Drainage carry?

About 53 vehicles per day (2023 count).

How long is South Service Rd. over Drainage?

The structure is 31 ft (9.4 m) long with a longest span of 3 ft (0.9 m).

Who owns South Service Rd. over Drainage?

It is owned by the City or Municipal Highway Agency.