CALHOUN STREET over I-170

Facts 

Name:	CALHOUN STREET over I-170
Structure number:	200000BC1503010
Location:	0.1 MI N OF SARATOGA ST
Purpose:	Carries highway and pedestrian walkway over highway
Route classification:	Local (Urban) [19]
Length of largest span:	77.1 ft. [23.5 m]
Total length:	179.1 ft. [54.6 m]
Roadway width between curbs:	51.8 ft. [15.8 m]
Deck width edge-to-edge:	69.9 ft. [21.3 m]
Vertical clearance below bridge:	15.7 ft. [4.8 m]
Owner:	City or Municipal Highway Agency [04]
Year built:	1977
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18 / HS 20 [5]
Number of main spans:	3
Main spans material:	Concrete continuous [2]
Main spans design:	Box Beam or girders - Single or Spread [06]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,840 [as of 2007]
Truck traffic:	5% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	94.1 tons [85.5 metric tons]
Inventory rating:	43.6 tons [39.6 metric tons]
Sufficiency rating:	84.6
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$17,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,425 [as of 1994]
Truck traffic:	5% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	94.1 tons [85.5 metric tons]
Inventory rating:	43.6 tons [39.6 metric tons]
Sufficiency rating:	91.4
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$34,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,425 [as of 1969]
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	94.1 tons [85.5 metric tons]
Inventory rating:	43.6 tons [39.6 metric tons]
Sufficiency rating:	92.9

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