US Bridges

Walnut Ave over Ls Br Pere Marquette Riv

Fair

Newaygo County, Michigan · 8 MI NE of Bitely · Structure no. 000000000007748

Built
1977
48 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
150
2000 count
Owner
County
County Highway Agency

About this bridge

Walnut Ave over Ls Br Pere Marquette Riv is a prestressed concrete box beam or girders - multiple carrying Walnut Ave over Ls Br Pere Marquette Riv in Newaygo County, Michigan. It was built in 1977, so it is 48 years old, younger 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 150 vehicles a day, roughly 3% of them trucks, projected to reach 250 by 2020. The structure is 52 ft (15.8 m) long and 30 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

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CarriesWalnut Ave
CrossesLs Br Pere Marquette Riv
Location8 MI NE of Bitely
RouteCounty Highway 6275
CountyNewaygo County
StateMichigan
Coordinates43.79214, -85.76108
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating32.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span52 ft (15.8 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2000)
Projected traffic250 by 2020
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Walnut Ave over Ls Br Pere Marquette Riv built?

It was built in 1977, making it 48 years old in 2025.

What condition is Walnut Ave over Ls Br Pere Marquette Riv 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 June 2024.

How much traffic does Walnut Ave over Ls Br Pere Marquette Riv carry?

About 150 vehicles per day (2000 count), of which roughly 3% are trucks.

How long is Walnut Ave over Ls Br Pere Marquette Riv?

The structure is 52 ft (15.8 m) long with a longest span of 52 ft (15.8 m) and a deck 30 ft wide.

Who owns Walnut Ave over Ls Br Pere Marquette Riv?

It is owned by the County Highway Agency.