US Bridges

County Road 607 over Peshekee River

Good

Marquette County, Michigan · 14 MI N of US41 · Structure no. 000000000006554

Built
1931
94 years old, rebuilt 1989
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
29
2019 count
Owner
County
County Highway Agency

About this bridge

County Road 607 over Peshekee River is a steel stringer/multi-beam or girder carrying County Road 607 over Peshekee River in Marquette County, Michigan. It was built in 1931 and reconstructed in 1989, so it is 94 years old, older 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 29 vehicles a day, roughly 16% of them trucks, projected to reach 40 by 2039. The structure is 60 ft (18.3 m) long and 18 ft wide. If it were closed, the detour would be 90.1 mi (145 km).

Location

Open in Google Maps
CarriesCounty Road 607
CrossesPeshekee River
Location14 MI N of US41
RouteCounty Highway 5210
CountyMarquette County
StateMichigan
Coordinates46.66725, -88.11321
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.6 US tons
Inventory rating49.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length60 ft (18.3 m)
Longest span59 ft (17.9 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2019)
Projected traffic40 by 2039
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed90.1 mi (145 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road 607 over Peshekee River built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1989.

What condition is County Road 607 over Peshekee 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 July 2024.

How much traffic does County Road 607 over Peshekee River carry?

About 29 vehicles per day (2019 count), of which roughly 16% are trucks.

How long is County Road 607 over Peshekee River?

The structure is 60 ft (18.3 m) long with a longest span of 59 ft (17.9 m) and a deck 18 ft wide.

Who owns County Road 607 over Peshekee River?

It is owned by the County Highway Agency.