US Bridges

Irvington-Blb HWY over Hammar Creek

Fair

Mobile County, Alabama · 2.2 MI N Int 19 * SR 188 · Structure no. 012384

Built
1980
45 years old
Condition
Fair
inspected March 2024
Type
Channel Beam
Concrete
Length
120 ft
5 main spans
Daily traffic
5,078
2024 count
Owner
County
County Highway Agency

About this bridge

Irvington-Blb HWY over Hammar Creek is a concrete channel beam carrying Irvington-Blb HWY over Hammar Creek in Mobile County, Alabama. It was built in 1980, so it is 45 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 5,078 vehicles a day, roughly 3% of them trucks, projected to reach 7,546 by 2044. The structure is 120 ft (36.6 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIrvington-Blb HWY
CrossesHammar Creek
Location2.2 MI N Int 19 * SR 188
RouteCounty Highway 39
StateAlabama
Coordinates30.45624, -88.23872
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.1 US tons
Inventory rating39 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,078 (2024)
Projected traffic7,546 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$968,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Irvington-Blb HWY over Hammar Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Irvington-Blb HWY 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 March 2024.

How much traffic does Irvington-Blb HWY over Hammar Creek carry?

About 5,078 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Irvington-Blb HWY over Hammar Creek?

The structure is 120 ft (36.6 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns Irvington-Blb HWY over Hammar Creek?

It is owned by the County Highway Agency.