US Bridges

M-28|M-77 over Fox River

Fair

Schoolcraft County, Michigan · 4.3 MI W of Luce CO Line · Structure no. 000000000009695

Built
1953
72 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
2 main spans
Daily traffic
1,473
2015 count
Owner
State
State Highway Agency

About this bridge

M-28|M-77 over Fox River is a steel stringer/multi-beam or girder carrying M-28|M-77 over Fox River in Schoolcraft County, Michigan. It was built in 1953, so it is 72 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 1,473 vehicles a day, roughly 10% of them trucks, projected to reach 1,694 by 2035. The structure is 79 ft (24.1 m) long and 43 ft wide. If it were closed, the detour would be 65.2 mi (105 km).

Location

Open in Google Maps
CarriesM-28|M-77
CrossesFox River
Location4.3 MI W of Luce CO Line
RouteState Highway 28
CountySchoolcraft County
StateMichigan
Coordinates46.34549, -85.95082
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span38 ft (11.7 m)
Deck width43 ft (13.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,473 (2015)
Projected traffic1,694 by 2035
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed65.2 mi (105 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|M-77 over Fox River built?

It was built in 1953, making it 72 years old in 2025.

What condition is M-28|M-77 over Fox 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 September 2023.

How much traffic does M-28|M-77 over Fox River carry?

About 1,473 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is M-28|M-77 over Fox River?

The structure is 79 ft (24.1 m) long with a longest span of 38 ft (11.7 m) and a deck 43 ft wide.

Who owns M-28|M-77 over Fox River?

It is owned by the State Highway Agency.