US Bridges

Halls Mill RD over Bolton Branch

Good

Mobile County, Alabama · 0.2 MI W Mc Vay DR · Structure no. 014689

Built
1926
99 years old, rebuilt 1989
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
9,248
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Halls Mill RD over Bolton Branch is a concrete culvert carrying Halls Mill RD over Bolton Branch in Mobile County, Alabama. It was built in 1926 and reconstructed in 1989, so it is 99 years old, older 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 9,248 vehicles a day, roughly 6% of them trucks, projected to reach 13,872 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHalls Mill RD
CrossesBolton Branch
Location0.2 MI W Mc Vay DR
RouteCity Street 0
StateAlabama
Coordinates30.64539, -88.11217
Functional classUrban Minor Arterial

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 inspectionJanuary 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 rating86.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,248 (2024)
Projected traffic13,872 by 2044
Trucks6%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$349,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Halls Mill RD over Bolton Branch built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1989.

What condition is Halls Mill RD over Bolton 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 January 2024.

How much traffic does Halls Mill RD over Bolton Branch carry?

About 9,248 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Halls Mill RD over Bolton Branch?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Halls Mill RD over Bolton Branch?

It is owned by the City or Municipal Highway Agency.