US Bridges

Michigan Avenue over C.S.X RR

Fair

Mobile County, Alabama · 100 E of I-10 · Structure no. 020230

Built
2012
13 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
151 ft
2 main spans
Daily traffic
9,265
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Michigan Avenue over C.S.X RR is a prestressed concrete stringer/multi-beam or girder carrying Michigan Avenue over C.S.X RR in Mobile County, Alabama. It was built in 2012, so it is 13 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 9,265 vehicles a day, roughly 4% of them trucks, projected to reach 13,398 by 2044. The structure is 151 ft (46 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMichigan Avenue
CrossesC.S.X RR
Location100 E of I-10
RouteCity Street 0
CountyMobile County
StateAlabama
Coordinates30.64822, -88.07535
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.2 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length151 ft (46 m)
Longest span75 ft (22.9 m)
Deck width67 ft (20.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,265 (2024)
Projected traffic13,398 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedNone recorded
Estimated improvement cost$2.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Michigan Avenue over C.S.X RR built?

It was built in 2012, making it 13 years old in 2025.

What condition is Michigan Avenue over C.S.X RR 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 Michigan Avenue over C.S.X RR carry?

About 9,265 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Michigan Avenue over C.S.X RR?

The structure is 151 ft (46 m) long with a longest span of 75 ft (22.9 m) and a deck 67 ft wide.

Who owns Michigan Avenue over C.S.X RR?

It is owned by the City or Municipal Highway Agency.