US Bridges

35th Avenue over W Br Chippewa River

FairPosted for load

Mecosta County, Michigan · 0.8 MI S of 20 Mile RD · Structure no. 000000000006776

Built
1996
29 years old
Condition
Fair
inspected August 2023
Type
Slab
Wood or Timber
Length
76 ft
3 main spans
Daily traffic
55
2019 count
Owner
County
County Highway Agency

About this bridge

35th Avenue over W Br Chippewa River is a wood or timber slab carrying 35th Avenue over W Br Chippewa River in Mecosta County, Michigan. It was built in 1996, so it is 29 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. Its operating status is: posted for load restriction.

It carries about 55 vehicles a day, projected to reach 67 by 2039. The structure is 76 ft (23.1 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries35th Avenue
CrossesW Br Chippewa River
Location0.8 MI S of 20 Mile RD
RouteCounty Highway 0
CountyMecosta County
StateMichigan
Coordinates43.74526, -85.1574
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating50.7 US tons
Inventory rating34.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length76 ft (23.1 m)
Longest span32 ft (9.8 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2019)
Projected traffic67 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 35th Avenue over W Br Chippewa River built?

It was built in 1996, making it 29 years old in 2025.

What condition is 35th Avenue over W Br Chippewa 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 August 2023.

How much traffic does 35th Avenue over W Br Chippewa River carry?

About 55 vehicles per day (2019 count).

How long is 35th Avenue over W Br Chippewa River?

The structure is 76 ft (23.1 m) long with a longest span of 32 ft (9.8 m) and a deck 30 ft wide.

Who owns 35th Avenue over W Br Chippewa River?

It is owned by the County Highway Agency.