US Bridges

Half Mile Road over Unnamed Branch

Fair

Mobile County, Alabama · 668W.OF Pine Springs RD · Structure no. 019489

Built
1959
66 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
20 ft
2 main spans
Daily traffic
5,881
2024 count
Owner
County
County Highway Agency

About this bridge

Half Mile Road over Unnamed Branch is a concrete continuous culvert carrying Half Mile Road over Unnamed Branch in Mobile County, Alabama. It was built in 1959, so it is 66 years old, older 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 5,881 vehicles a day, roughly 3% of them trucks, projected to reach 8,739 by 2044. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHalf Mile Road
CrossesUnnamed Branch
Location668W.OF Pine Springs RD
RouteCounty Highway 0
CountyMobile County
StateAlabama
Coordinates30.49451, -88.20865
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,881 (2024)
Projected traffic8,739 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$450,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Half Mile Road over Unnamed Branch built?

It was built in 1959, making it 66 years old in 2025.

What condition is Half Mile Road over Unnamed 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 May 2024.

How much traffic does Half Mile Road over Unnamed Branch carry?

About 5,881 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Half Mile Road over Unnamed Branch?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m).

Who owns Half Mile Road over Unnamed Branch?

It is owned by the County Highway Agency.