US Bridges

West CO Line RD over Tamarack Creek

Good

Montcalm County, Michigan · 0.5 MI North of M-82 · Structure no. 000000000013222

Built
2021
4 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
1,394
2019 count
Owner
County
County Highway Agency

About this bridge

West CO Line RD over Tamarack Creek is a prestressed concrete stringer/multi-beam or girder carrying West CO Line RD over Tamarack Creek in Montcalm County, Michigan. It was built in 2021, so it is 4 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,394 vehicles a day, roughly 4% of them trucks, projected to reach 1,735 by 2039. The structure is 75 ft (22.9 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesWest CO Line RD
CrossesTamarack Creek
Location0.5 MI North of M-82
RouteCounty Highway 0
CountyMontcalm County
StateMichigan
Coordinates43.40135, -85.56296
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80.4 US tons
Inventory rating61.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length75 ft (22.9 m)
Longest span72 ft (21.9 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,394 (2019)
Projected traffic1,735 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 West CO Line RD over Tamarack Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is West CO Line RD over Tamarack Creek 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 September 2023.

How much traffic does West CO Line RD over Tamarack Creek carry?

About 1,394 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is West CO Line RD over Tamarack Creek?

The structure is 75 ft (22.9 m) long with a longest span of 72 ft (21.9 m) and a deck 38 ft wide.

Who owns West CO Line RD over Tamarack Creek?

It is owned by the County Highway Agency.