US Bridges

M-35 over Sweitzers Creek

Good

Marquette County, Michigan · 3.0 MI SE Palmer · Structure no. 000000000006483

Built
1986
39 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
1,146
2007 count
Owner
State
State Highway Agency

About this bridge

M-35 over Sweitzers Creek is a prestressed concrete box beam or girders - multiple carrying M-35 over Sweitzers Creek in Marquette County, Michigan. It was built in 1986, so it is 39 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 40 ft (12.2 m) long and 69 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesM-35
CrossesSweitzers Creek
Location3.0 MI SE Palmer
RouteState Highway 35
Coordinates46.40043, -87.55131
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 rating97.1 US tons
Inventory rating58.2 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.8 m)
Deck width69 ft (20.9 m)
Roadway width43 ft (13.1 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 closed6.2 mi (10 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 Sweitzers Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is M-35 over Sweitzers Creek 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 Sweitzers Creek carry?

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

How long is M-35 over Sweitzers Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.8 m) and a deck 69 ft wide.

Who owns M-35 over Sweitzers Creek?

It is owned by the State Highway Agency.