CSAH 52(EB HENN) over MISSISSIPPI RIVER; ST

Map 

Facts 

Name:	CSAH 52(EB HENN) over MISSISSIPPI RIVER; ST
Structure number:	27538
Location:	0.1 MI W OF JCT CSAH 23
Purpose:	Carries highway and pedestrian walkway over highway and waterway
Route classification:	Minor Arterial (Urban) [16]
Length of largest span:	102.0 ft. [31.1 m]
Total length:	382.9 ft. [116.7 m]
Roadway width between curbs:	40.0 ft. [12.2 m]
Deck width edge-to-edge:	53.8 ft. [16.4 m]
Vertical clearance below bridge:	15.7 ft. [4.8 m]
Owner:	County Highway Agency [02]
Year built:	1973
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:	4
Main spans material:	Steel continuous [4]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Low slump Concrete [4]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	11,700 [as of 2005]
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:	77.8 tons [70.7 metric tons]
Inventory rating:	46.9 tons [42.6 metric tons]
Sufficiency rating:	80.6

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	12,700 [as of 1995]
Truck traffic:	10% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:	77.1 tons [70.1 metric tons]
Inventory rating:	46.5 tons [42.3 metric tons]
Sufficiency rating:	81.5

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	8,700 [as of 1990]
Truck traffic:	1% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Good [7 out of 9]
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	76.2 tons [69.3 metric tons]
Inventory rating:	45.5 tons [41.4 metric tons]
Sufficiency rating:	82.2

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