M-32 over THUNDER BAY RIVER

Map 

Facts 

Name:	M-32 over THUNDER BAY RIVER
Structure number:	60160022000B020
Location:	2.8 MI NE OF M-33
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Other (Rural) [02]
Length of largest span:	49.9 ft. [15.2 m]
Total length:	99.7 ft. [30.4 m]
Roadway width between curbs:	44.0 ft. [13.4 m]
Deck width edge-to-edge:	46.9 ft. [14.3 m]
Owner:	State Highway Agency [01]
Year built:	1927
Year reconstructed:	1991
Historic significance:	Bridge is on the National Register of Historic Places [1]
Design load:	MS 18 / HS 20 [5]
Number of main spans:	2
Main spans material:	Steel [3]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	4,572 [as of 2007]
Truck traffic:	8% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:	Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:	68.2 tons [62.0 metric tons]
Inventory rating:	40.8 tons [37.1 metric tons]
Sufficiency rating:	91.4
Recommended work:	Bridge deck replacement with only incidental widening. [37]

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	4,200 [as of 1995]
Truck traffic:	6% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:	Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:	56.0 tons [50.9 metric tons]
Inventory rating:	36.0 tons [32.7 metric tons]
Sufficiency rating:	92.1
Recommended work:	Bridge deck replacement with only incidental widening. [37]

1992 Inspection 

Status:	New structure not yet open to traffic [G]
Average daily traffic:	3,500 [as of 1988]
Truck traffic:	6% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Very Good [8 out of 9]
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Operating rating:	76.2 tons [69.3 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	91.4
Recommended work:	Bridge deck replacement with only incidental widening. [37]

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