US Bridges

M. L. King Jr Ave over Three Mile Creek

Fair

Mobile County, Alabama · 1.6 MI N Clairborne ST · Structure no. 002731

Built
1992
33 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
232 ft
5 main spans
Daily traffic
7,047
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

M. L. King Jr Ave over Three Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying M. L. King Jr Ave over Three Mile Creek in Mobile County, Alabama. It was built in 1992, so it is 33 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 7,047 vehicles a day, roughly 1% of them trucks, projected to reach 10,570 by 2044. The structure is 232 ft (70.7 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesM. L. King Jr Ave
CrossesThree Mile Creek
Location1.6 MI N Clairborne ST
RouteCity Street 0
CountyMobile County
StateAlabama
Coordinates30.70364, -88.0718
Functional classUrban 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 protection7 GoodSome minor problems.
Last inspectionFebruary 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.2 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length232 ft (70.7 m)
Longest span50 ft (15.2 m)
Deck width53 ft (16.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,047 (2024)
Projected traffic10,570 by 2044
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$3.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was M. L. King Jr Ave over Three Mile Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is M. L. King Jr Ave over Three Mile 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 February 2024.

How much traffic does M. L. King Jr Ave over Three Mile Creek carry?

About 7,047 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is M. L. King Jr Ave over Three Mile Creek?

The structure is 232 ft (70.7 m) long with a longest span of 50 ft (15.2 m) and a deck 53 ft wide.

Who owns M. L. King Jr Ave over Three Mile Creek?

It is owned by the City or Municipal Highway Agency.