US Bridges

Hamilton Blvd over Whiskey Branch

Fair

Mobile County, Alabama · 1.7 MI E US 90 · Structure no. 012523

Built
1981
44 years old
Condition
Fair
inspected December 2023
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
5,701
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hamilton Blvd over Whiskey Branch is a concrete channel beam carrying Hamilton Blvd over Whiskey Branch in Mobile County, Alabama. It was built in 1981, so it is 44 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 5 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 5,701 vehicles a day, roughly 15% of them trucks, projected to reach 8,551 by 2043. The structure is 57 ft (17.4 m) long and 30 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesHamilton Blvd
CrossesWhiskey Branch
Location1.7 MI E US 90
RouteCity Street 0
StateAlabama
Coordinates30.55467, -88.1434
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating67.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,701 (2023)
Projected traffic8,551 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 km)
TollOn a free road
National Highway SystemYes

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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$552,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamilton Blvd over Whiskey Branch built?

It was built in 1981, making it 44 years old in 2025.

What condition is Hamilton Blvd over Whiskey 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 December 2023.

How much traffic does Hamilton Blvd over Whiskey Branch carry?

About 5,701 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Hamilton Blvd over Whiskey Branch?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 30 ft wide.

Who owns Hamilton Blvd over Whiskey Branch?

It is owned by the City or Municipal Highway Agency.