US Bridges

M-35 over Carp River

Good

Marquette County, Michigan · 7.0 MI NE of Palmer · Structure no. 000000000006492

Built
2020
5 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
48 ft
1 main span
Daily traffic
3,650
2020 count
Owner
State
State Highway Agency

About this bridge

M-35 over Carp River is a concrete culvert carrying M-35 over Carp River in Marquette County, Michigan. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,650 vehicles a day, roughly 9% of them trucks, projected to reach 4,225 by 2040. The structure is 48 ft (14.6 m) long.

Location

Open in Google Maps
CarriesM-35
CrossesCarp River
Location7.0 MI NE of Palmer
RouteState Highway 35
CountyMarquette County
StateMichigan
Coordinates46.50712, -87.53642
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.8 US tons
Inventory rating42.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length48 ft (14.6 m)
Longest span48 ft (14.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,650 (2020)
Projected traffic4,225 by 2040
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$9,000 (2050 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was M-35 over Carp River built?

It was built in 2020, making it 5 years old in 2025.

What condition is M-35 over Carp 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 Carp River carry?

About 3,650 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is M-35 over Carp River?

The structure is 48 ft (14.6 m) long with a longest span of 48 ft (14.6 m).

Who owns M-35 over Carp River?

It is owned by the State Highway Agency.