US Bridges

Tamarack Road over Pine River

PoorPosted for load

Montcalm County, Michigan · 0.25 West of Waldron Road · Structure no. 000000000007521

Built
1978
47 years old
Condition
Poor
inspected September 2024
Type
Slab
Wood or Timber
Length
64 ft
2 main spans
Daily traffic
269
2003 count
Owner
County
County Highway Agency

About this bridge

Tamarack Road over Pine River is a wood or timber slab carrying Tamarack Road over Pine River in Montcalm County, Michigan. It was built in 1978, so it is 47 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 269 vehicles a day, projected to reach 355 by 2023. The structure is 64 ft (19.5 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTamarack Road
CrossesPine River
Location0.25 West of Waldron Road
RouteCounty Highway 0
CountyMontcalm County
StateMichigan
Coordinates43.43723, -84.93436
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 6 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating14.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20 + Mod
Structure length64 ft (19.5 m)
Longest span32 ft (9.7 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic269 (2003)
Projected traffic355 by 2023
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Tamarack Road over Pine River built?

It was built in 1978, making it 47 years old in 2025.

What condition is Tamarack Road over Pine River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Tamarack Road over Pine River carry?

About 269 vehicles per day (2003 count).

How long is Tamarack Road over Pine River?

The structure is 64 ft (19.5 m) long with a longest span of 32 ft (9.7 m) and a deck 32 ft wide.

Who owns Tamarack Road over Pine River?

It is owned by the County Highway Agency.