US Bridges

Half-Mile Road over Hammar Creek

Fair

Mobile County, Alabama · 0.7 MI W CO RD 19 · Structure no. 007291

Built
1961
64 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
2,177
2024 count
Owner
County
County Highway Agency

About this bridge

Half-Mile Road over Hammar Creek is a concrete continuous culvert carrying Half-Mile Road over Hammar Creek in Mobile County, Alabama. It was built in 1961, so it is 64 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 2,177 vehicles a day, roughly 4% of them trucks, projected to reach 3,235 by 2044. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesHalf-Mile Road
CrossesHammar Creek
Location0.7 MI W CO RD 19
RouteCounty Highway 0
StateAlabama
Coordinates30.49439, -88.24463
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 alignment7: Better than present minimum criteria
Operating rating45.6 US tons
Inventory rating27.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length24 ft (7.4 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,177 (2024)
Projected traffic3,235 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$386,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Half-Mile Road over Hammar Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Half-Mile Road over Hammar 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 May 2024.

How much traffic does Half-Mile Road over Hammar Creek carry?

About 2,177 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Half-Mile Road over Hammar Creek?

The structure is 24 ft (7.4 m) long with a longest span of 11 ft (3.5 m).

Who owns Half-Mile Road over Hammar Creek?

It is owned by the County Highway Agency.