US Bridges

Serv RD Univ SH Vi over Twelve Mile Creek

Fair

Mobile County, Alabama · N E Quad.Univ.Blvd./Old S · Structure no. 017858

Built
1999
26 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
4,992
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Serv RD Univ SH Vi over Twelve Mile Creek is a concrete culvert carrying Serv RD Univ SH Vi over Twelve Mile Creek in Mobile County, Alabama. It was built in 1999, so it is 26 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 4,992 vehicles a day, roughly 1% of them trucks, projected to reach 7,488 by 2043. The structure is 30 ft (9.2 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesServ RD Univ SH Vi
CrossesTwelve Mile Creek
LocationN E Quad.Univ.Blvd./Old S
RouteCity Street 0
CountyMobile County
StateAlabama
Coordinates30.68989, -88.17311
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating73.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span10 ft (3 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic4,992 (2023)
Projected traffic7,488 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$7.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Serv RD Univ SH Vi over Twelve Mile Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Serv RD Univ SH Vi over Twelve Mile Creek 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 December 2023.

How much traffic does Serv RD Univ SH Vi over Twelve Mile Creek carry?

About 4,992 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Serv RD Univ SH Vi over Twelve Mile Creek?

The structure is 30 ft (9.2 m) long with a longest span of 10 ft (3 m) and a deck 22 ft wide.

Who owns Serv RD Univ SH Vi over Twelve Mile Creek?

It is owned by the City or Municipal Highway Agency.