US Bridges

M-28 over E Br Waiska River

Fair

Chippewa County, Michigan · 2.7 MI W of I-75 · Structure no. 000000000001604

Built
1941
84 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
2,956
2007 count
Owner
State
State Highway Agency

About this bridge

M-28 over E Br Waiska River is a concrete continuous culvert carrying M-28 over E Br Waiska River in Chippewa County, Michigan. It was built in 1941, so it is 84 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 26 ft (7.8 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesM-28
CrossesE Br Waiska River
Location2.7 MI W of I-75
RouteState Highway 28
Coordinates46.37497, -84.46999
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length26 ft (7.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1941, making it 84 years old in 2025.

What condition is M-28 over E 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 June 2023.

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

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

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

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.7 m).

Who owns M-28 over E Br Waiska River?

It is owned by the State Highway Agency.