US Bridges

Grandbay Wilmer S over Bell Branch

Good

Mobile County, Alabama · .7 MI S Dawes RD · Structure no. 013266

Built
1984
41 years old
Condition
Good
inspected September 2024
Type
Channel Beam
Concrete
Length
72 ft
3 main spans
Daily traffic
4,728
2022 count
Owner
County
County Highway Agency

About this bridge

Grandbay Wilmer S over Bell Branch is a concrete channel beam carrying Grandbay Wilmer S over Bell Branch in Mobile County, Alabama. It was built in 1984, so it is 41 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 4,728 vehicles a day, roughly 3% of them trucks, projected to reach 7,026 by 2042. The structure is 72 ft (21.9 m) long and 35 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesGrandbay Wilmer S
CrossesBell Branch
Location.7 MI S Dawes RD
RouteCounty Highway 11
StateAlabama
Coordinates30.55414, -88.34449
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating38 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span24 ft (7.3 m)
Deck width35 ft (10.7 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,728 (2022)
Projected traffic7,026 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$791,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Grandbay Wilmer S over Bell Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is Grandbay Wilmer S over Bell Branch 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 September 2024.

How much traffic does Grandbay Wilmer S over Bell Branch carry?

About 4,728 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Grandbay Wilmer S over Bell Branch?

The structure is 72 ft (21.9 m) long with a longest span of 24 ft (7.3 m) and a deck 35 ft wide.

Who owns Grandbay Wilmer S over Bell Branch?

It is owned by the County Highway Agency.