US Bridges

County HWY 607 over Peshekee River

Fair

Marquette County, Michigan · 5 MI N of US41 · Structure no. 000000000006551

Built
1926
99 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
190
2000 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 1926, so it is 99 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 190 vehicles a day, projected to reach 200 by 2020. The structure is 60 ft (18.2 m) long and 22 ft wide. If it were closed, the detour would be 90.1 mi (145 km).

CarriesCounty HWY 607
CrossesPeshekee River
Location5 MI N of US41
RouteCounty Highway 5210
Coordinates46.58665, -88.00577
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating58.2 US tons
Inventory rating34.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length60 ft (18.2 m)
Longest span57 ft (17.3 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2000)
Projected traffic200 by 2020
Trucks—
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$732,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County HWY 607 over Peshekee River built?

It was built in 1926, making it 99 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 2024.

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

About 190 vehicles per day (2000 count).

How long is County HWY 607 over Peshekee River?

The structure is 60 ft (18.2 m) long with a longest span of 57 ft (17.3 m) and a deck 22 ft wide.

Who owns County HWY 607 over Peshekee River?

It is owned by the County Highway Agency.