US Bridges

SR 28 over Michigan Creek

Fair

Marengo County, Alabama · .5MI.W.OF Thomaston · Structure no. 014571

Built
1988
37 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
369 ft
9 main spans
Daily traffic
1,380
2013 count
Owner
State
State Highway Agency

About this bridge

SR 28 over Michigan Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 28 over Michigan Creek in Marengo County, Alabama. It was built in 1988, so it is 37 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 1,380 vehicles a day, roughly 17% of them trucks, projected to reach 1,859 by 2033. The structure is 369 ft (112.5 m) long and 41 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesSR 28
CrossesMichigan Creek
Location.5MI.W.OF Thomaston
RouteState Highway 28
CountyMarengo County
StateAlabama
Coordinates32.2648, -87.63615
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating34.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length369 ft (112.5 m)
Longest span41 ft (12.5 m)
Deck width41 ft (12.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,380 (2013)
Projected traffic1,859 by 2033
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$3.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 28 over Michigan Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is SR 28 over Michigan 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 2025.

How much traffic does SR 28 over Michigan Creek carry?

About 1,380 vehicles per day (2013 count), of which roughly 17% are trucks.

How long is SR 28 over Michigan Creek?

The structure is 369 ft (112.5 m) long with a longest span of 41 ft (12.5 m) and a deck 41 ft wide.

Who owns SR 28 over Michigan Creek?

It is owned by the State Highway Agency.