US Bridges

M-82 over Tamarack Creek

Fair

Montcalm County, Michigan · 1.0 MI E of Newaygo Col · Structure no. 000000000007441

Built
1932
93 years old, rebuilt 1961
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
143 ft
3 main spans
Daily traffic
5,181
2007 count
Owner
State
State Highway Agency

About this bridge

M-82 over Tamarack Creek is a steel stringer/multi-beam or girder carrying M-82 over Tamarack Creek in Montcalm County, Michigan. It was built in 1932 and reconstructed in 1961, so it is 93 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,181 vehicles a day, roughly 13% of them trucks, projected to reach 4,721 by 2018. The structure is 143 ft (43.6 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesM-82
CrossesTamarack Creek
Location1.0 MI E of Newaygo Col
RouteState Highway 82
Coordinates43.39584, -85.54284
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.1 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length143 ft (43.6 m)
Longest span87 ft (26.5 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,181 (2007)
Projected traffic4,721 by 2018
Trucks13%
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

OwnerState Highway Agency
Maintained byState 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 M-82 over Tamarack Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1961.

What condition is M-82 over Tamarack Creek 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 March 2023.

How much traffic does M-82 over Tamarack Creek carry?

About 5,181 vehicles per day (2007 count), of which roughly 13% are trucks.

How long is M-82 over Tamarack Creek?

The structure is 143 ft (43.6 m) long with a longest span of 87 ft (26.5 m) and a deck 45 ft wide.

Who owns M-82 over Tamarack Creek?

It is owned by the State Highway Agency.