US Bridges

Nimberger Road over Tamarack Creek

PoorPosted for load

Montcalm County, Michigan · 0.30 MI N of M-46 · Structure no. 000000000007489

Built
1980
45 years old
Condition
Poor
inspected March 2024
Type
Culvert
Steel
Length
34 ft
3 main spans
Daily traffic
283
2003 count
Owner
County
County Highway Agency

About this bridge

Nimberger Road over Tamarack Creek is a steel culvert carrying Nimberger Road over Tamarack Creek in Montcalm County, Michigan. It was built in 1980, so it is 45 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 283 vehicles a day, projected to reach 381 by 2023. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesNimberger Road
CrossesTamarack Creek
Location0.30 MI N of M-46
RouteCounty Highway 0
CountyMontcalm County
StateMichigan
Coordinates43.43921, -85.3132
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length34 ft (10.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic283 (2003)
Projected traffic381 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 Nimberger Road over Tamarack Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Nimberger 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 March 2024.

How much traffic does Nimberger Road over Tamarack Creek carry?

About 283 vehicles per day (2003 count).

How long is Nimberger Road over Tamarack Creek?

The structure is 34 ft (10.4 m) long with a longest span of 9 ft (2.7 m).

Who owns Nimberger Road over Tamarack Creek?

It is owned by the County Highway Agency.