US Bridges

Museum Drive over Twelve-Mile Creek

Fair

Mobile County, Alabama · 500 East of Galliard DR · Structure no. 020002

Built
2008
17 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
3,878
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Museum Drive over Twelve-Mile Creek is a concrete channel beam carrying Museum Drive over Twelve-Mile Creek 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 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 3,878 vehicles a day, roughly 4% of them trucks, projected to reach 5,817 by 2043. The structure is 40 ft (12.2 m) long and 35 ft wide. If it were closed, the detour would be 101.3 mi (163 km).

Location

Open in Google Maps
CarriesMuseum Drive
CrossesTwelve-Mile Creek
Location500 East of Galliard DR
RouteCity Street 0
CountyMobile County
StateAlabama
Coordinates30.70384, -88.16209
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83.1 US tons
Inventory rating49.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,878 (2023)
Projected traffic5,817 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed101.3 mi (163 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$499,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Museum Drive over Twelve-Mile Creek built?

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

What condition is Museum Drive 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 October 2023.

How much traffic does Museum Drive over Twelve-Mile Creek carry?

About 3,878 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Museum Drive over Twelve-Mile Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns Museum Drive over Twelve-Mile Creek?

It is owned by the City or Municipal Highway Agency.