US Bridges

Demetropolis Road over Halls Mill Creek

FairPosted for load

Mobile County, Alabama · 0.4 MI S Halls Mill RD · Structure no. 009575

Built
1968
57 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
170 ft
5 main spans
Daily traffic
565
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Demetropolis Road over Halls Mill Creek is a concrete tee beam carrying Demetropolis Road over Halls Mill Creek in Mobile County, Alabama. It was built in 1968, so it is 57 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 565 vehicles a day, roughly 4% of them trucks, projected to reach 847 by 2043. The structure is 170 ft (51.8 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesDemetropolis Road
CrossesHalls Mill Creek
Location0.4 MI S Halls Mill RD
RouteCity Street 0
CountyMobile County
StateAlabama
Coordinates30.60616, -88.15701
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length170 ft (51.8 m)
Longest span34 ft (10.4 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic565 (2023)
Projected traffic847 by 2043
Trucks4%
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

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$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Demetropolis Road over Halls Mill Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Demetropolis Road over Halls Mill 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 November 2024.

How much traffic does Demetropolis Road over Halls Mill Creek carry?

About 565 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Demetropolis Road over Halls Mill Creek?

The structure is 170 ft (51.8 m) long with a longest span of 34 ft (10.4 m) and a deck 29 ft wide.

Who owns Demetropolis Road over Halls Mill Creek?

It is owned by the City or Municipal Highway Agency.