US Bridges

Wilmer Road over Boggy Branch

Good

Mobile County, Alabama · 5.0 Mi. N. of CO 70 · Structure no. 015793

Built
1993
32 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
2,892
2024 count
Owner
County
County Highway Agency

About this bridge

Wilmer Road over Boggy Branch is a concrete continuous culvert carrying Wilmer Road over Boggy Branch in Mobile County, Alabama. It was built in 1993, so it is 32 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 2,892 vehicles a day, roughly 6% of them trucks, projected to reach 4,297 by 2044. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesWilmer Road
CrossesBoggy Branch
Location5.0 Mi. N. of CO 70
RouteCounty Highway 5
StateAlabama
Coordinates30.78701, -88.36676
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 inspectionOctober 2024
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 alignment7: Better than present minimum criteria
Operating rating98 US tons
Inventory rating59.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,892 (2024)
Projected traffic4,297 by 2044
Trucks6%
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$617,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Wilmer Road over Boggy Branch built?

It was built in 1993, making it 32 years old in 2025.

What condition is Wilmer Road over Boggy 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 October 2024.

How much traffic does Wilmer Road over Boggy Branch carry?

About 2,892 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Wilmer Road over Boggy Branch?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3.1 m).

Who owns Wilmer Road over Boggy Branch?

It is owned by the County Highway Agency.