US Bridges

M-32 over Bean Creek

Fair

Alpena County, Michigan · 1.0 MI E of M-65 · Structure no. 000000000000329

Built
1934
91 years old, rebuilt 1965
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
5,505
2007 count
Owner
State
State Highway Agency

About this bridge

M-32 over Bean Creek is a steel stringer/multi-beam or girder carrying M-32 over Bean Creek in Alpena County, Michigan. It was built in 1934 and reconstructed in 1965, so it is 91 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 5,505 vehicles a day, roughly 9% of them trucks, projected to reach 7,645 by 2018. The structure is 36 ft (11 m) long and 47 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesM-32
CrossesBean Creek
Location1.0 MI E of M-65
RouteState Highway 32
CountyAlpena County
StateMichigan
Coordinates45.06734, -83.69679
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length36 ft (11 m)
Longest span35 ft (10.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,505 (2007)
Projected traffic7,645 by 2018
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes

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-32 over Bean Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1965.

What condition is M-32 over Bean 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 July 2024.

How much traffic does M-32 over Bean Creek carry?

About 5,505 vehicles per day (2007 count), of which roughly 9% are trucks.

How long is M-32 over Bean Creek?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.6 m) and a deck 47 ft wide.

Who owns M-32 over Bean Creek?

It is owned by the State Highway Agency.