US Bridges

Halls Mill RD over Bolton Branch

Fair

Mobile County, Alabama · 0.4 MI E Mcvay DR · Structure no. 012691

Built
1975
50 years old, rebuilt 1982
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
6,820
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 1975 and reconstructed in 1982, so it is 50 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 6,820 vehicles a day, roughly 4% of them trucks, projected to reach 10,230 by 2044. The structure is 38 ft (11.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHalls Mill RD
CrossesBolton Branch
Location0.4 MI E Mcvay DR
RouteCity Street 0
CountyMobile County
StateAlabama
Coordinates30.65149, -88.10615
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98 US tons
Inventory rating62.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length38 ft (11.7 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,820 (2024)
Projected traffic10,230 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost$657,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Halls Mill RD over Bolton Branch built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 1982.

What condition is Halls Mill RD over Bolton Branch 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 January 2024.

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

About 6,820 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Halls Mill RD over Bolton Branch?

The structure is 38 ft (11.7 m) long with a longest span of 14 ft (4.3 m).

Who owns Halls Mill RD over Bolton Branch?

It is owned by the City or Municipal Highway Agency.