US Bridges

Grandbay Wilmer S over Jackson Creek

Fair

Mobile County, Alabama · 2.0 MI N CO 28 · Structure no. 013109

Built
1984
41 years old, rebuilt 2014
Condition
Fair
inspected July 2024
Type
Channel Beam
Concrete
Length
144 ft
6 main spans
Daily traffic
6,357
2024 count
Owner
County
County Highway Agency

About this bridge

Grandbay Wilmer S over Jackson Creek is a concrete channel beam carrying Grandbay Wilmer S over Jackson Creek in Mobile County, Alabama. It was built in 1984 and reconstructed in 2014, 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 fair condition with a lowest component rating of 6 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 6,357 vehicles a day, roughly 4% of them trucks, projected to reach 14,136 by 2044. The structure is 144 ft (43.9 m) long and 31 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesGrandbay Wilmer S
CrossesJackson Creek
Location2.0 MI N CO 28
RouteCounty Highway 0
CountyMobile County
StateAlabama
Coordinates30.53597, -88.3422
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span24 ft (7.3 m)
Deck width31 ft (9.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,357 (2024)
Projected traffic14,136 by 2044
Trucks4%
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$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Grandbay Wilmer S over Jackson Creek built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2014.

What condition is Grandbay Wilmer S over Jackson 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 July 2024.

How much traffic does Grandbay Wilmer S over Jackson Creek carry?

About 6,357 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Grandbay Wilmer S over Jackson Creek?

The structure is 144 ft (43.9 m) long with a longest span of 24 ft (7.3 m) and a deck 31 ft wide.

Who owns Grandbay Wilmer S over Jackson Creek?

It is owned by the County Highway Agency.