US Bridges

County HWY 607 over Peshekee River

Fair

Marquette County, Michigan · 7 MI N of US41 · Structure no. 000000000006552

Built
1927
98 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
188
2001 count
Owner
County
County Highway Agency

About this bridge

County HWY 607 over Peshekee River is a steel stringer/multi-beam or girder carrying County HWY 607 over Peshekee River in Marquette County, Michigan. It was built in 1927, so it is 98 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 188 vehicles a day, projected to reach 200 by 2020. The structure is 70 ft (21.3 m) long and 23 ft wide. If it were closed, the detour would be 90.7 mi (146 km).

Location

Open in Google Maps
CarriesCounty HWY 607
CrossesPeshekee River
Location7 MI N of US41
RouteCounty Highway 5210
CountyMarquette County
StateMichigan
Coordinates46.60953, -88.02226
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to 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 rating87.2 US tons
Inventory rating48.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length70 ft (21.3 m)
Longest span67 ft (20.4 m)
Deck width23 ft (6.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic188 (2001)
Projected traffic200 by 2020
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed90.7 mi (146 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 HWY 607 over Peshekee River built?

It was built in 1927, making it 98 years old in 2025.

What condition is County HWY 607 over Peshekee 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 October 2023.

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

About 188 vehicles per day (2001 count).

How long is County HWY 607 over Peshekee River?

The structure is 70 ft (21.3 m) long with a longest span of 67 ft (20.4 m) and a deck 23 ft wide.

Who owns County HWY 607 over Peshekee River?

It is owned by the County Highway Agency.