US Bridges

Tamarack Road over Tamarack Creek

Poor

Montcalm County, Michigan · 1 Mile East of Kohler Rd. · Structure no. 000000000007527

Built
1998
27 years old
Condition
Poor
inspected September 2023
Type
Slab
Wood or Timber
Length
24 ft
1 main span
Daily traffic
57
2002 count
Owner
County
County Highway Agency

About this bridge

Tamarack Road over Tamarack Creek is a wood or timber slab carrying Tamarack Road over Tamarack Creek in Montcalm County, Michigan. It was built in 1998, so it is 27 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.

It carries about 57 vehicles a day, projected to reach 128 by 2023. The structure is 24 ft (7.3 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTamarack Road
CrossesTamarack Creek
Location1 Mile East of Kohler Rd.
RouteCounty Highway 0
Coordinates43.43917, -85.33305
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.2 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57 (2002)
Projected traffic128 by 2023
Trucks0%
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 Tamarack Road over Tamarack Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Tamarack Road over Tamarack Creek 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 2023.

How much traffic does Tamarack Road over Tamarack Creek carry?

About 57 vehicles per day (2002 count).

How long is Tamarack Road over Tamarack Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.

Who owns Tamarack Road over Tamarack Creek?

It is owned by the County Highway Agency.