US Bridges

M-28 over W Br Waiska River

Fair

Chippewa County, Michigan · 1.2 MI E of M-221 · Structure no. 000000000001603

Built
1975
50 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
226 ft
5 main spans
Daily traffic
2,956
2007 count
Owner
State
State Highway Agency

About this bridge

M-28 over W Br Waiska River is a steel stringer/multi-beam or girder carrying M-28 over W Br Waiska River in Chippewa County, Michigan. It was built in 1975, so it is 50 years old, older than the Michigan average of 48.3 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 2,956 vehicles a day, roughly 16% of them trucks, projected to reach 4,112 by 2018. The structure is 226 ft (68.9 m) long and 50 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesM-28
CrossesW Br Waiska River
Location1.2 MI E of M-221
RouteState Highway 28
CountyChippewa County
StateMichigan
Coordinates46.37532, -84.54554
Functional classRural Principal Arterial - Other

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.1 US tons
Inventory rating48.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length226 ft (68.9 m)
Longest span56 ft (17.1 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,956 (2007)
Projected traffic4,112 by 2018
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$75,000
NavigationNo navigation control on waterway

Frequently asked questions

When was M-28 over W Br Waiska River built?

It was built in 1975, making it 50 years old in 2025.

What condition is M-28 over W Br Waiska River 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 2023.

How much traffic does M-28 over W Br Waiska River carry?

About 2,956 vehicles per day (2007 count), of which roughly 16% are trucks.

How long is M-28 over W Br Waiska River?

The structure is 226 ft (68.9 m) long with a longest span of 56 ft (17.1 m) and a deck 50 ft wide.

Who owns M-28 over W Br Waiska River?

It is owned by the State Highway Agency.