US Bridges

M-35 over Green River

Good

Marquette County, Michigan · 7.5 MI NW of Gwinn · Structure no. 000000000006481

Built
1985
40 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
1,146
2007 count
Owner
State
State Highway Agency

About this bridge

M-35 over Green River is a prestressed concrete box beam or girders - multiple carrying M-35 over Green River in Marquette County, Michigan. It was built in 1985, so it is 40 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,146 vehicles a day, roughly 14% of them trucks, projected to reach 1,256 by 2018. The structure is 59 ft (18 m) long and 47 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesM-35
CrossesGreen River
Location7.5 MI NW of Gwinn
RouteState Highway 35
Coordinates46.33406, -87.53301
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
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 rating46.7 US tons
Inventory rating32.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length59 ft (18 m)
Longest span59 ft (17.9 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,146 (2007)
Projected traffic1,256 by 2018
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-35 over Green River built?

It was built in 1985, making it 40 years old in 2025.

What condition is M-35 over Green River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does M-35 over Green River carry?

About 1,146 vehicles per day (2007 count), of which roughly 14% are trucks.

How long is M-35 over Green River?

The structure is 59 ft (18 m) long with a longest span of 59 ft (17.9 m) and a deck 47 ft wide.

Who owns M-35 over Green River?

It is owned by the State Highway Agency.