US Bridges

M-28 over Driggs River

Fair

Schoolcraft County, Michigan · 11.3 MI E of Alger Col · Structure no. 000000000009692

Built
1953
72 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
1,973
2007 count
Owner
State
State Highway Agency

About this bridge

M-28 over Driggs River is a steel stringer/multi-beam or girder carrying M-28 over Driggs 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 1,973 vehicles a day, roughly 13% of them trucks, projected to reach 3,293 by 2018. The structure is 54 ft (16.4 m) long and 43 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

Location

Open in Google Maps
CarriesM-28
CrossesDriggs River
Location11.3 MI E of Alger Col
RouteState Highway 28
CountySchoolcraft County
StateMichigan
Coordinates46.34551, -86.12659
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 rating92.5 US tons
Inventory rating55.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.4 m)
Longest span52 ft (15.9 m)
Deck width43 ft (13.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,973 (2007)
Projected traffic3,293 by 2018
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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 Driggs River built?

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

What condition is M-28 over Driggs 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 over Driggs River carry?

About 1,973 vehicles per day (2007 count), of which roughly 13% are trucks.

How long is M-28 over Driggs River?

The structure is 54 ft (16.4 m) long with a longest span of 52 ft (15.9 m) and a deck 43 ft wide.

Who owns M-28 over Driggs River?

It is owned by the State Highway Agency.