15th Ave NE over COWEN PARK, RAVINE

Map 

Facts 

Name:	15th Ave NE over COWEN PARK, RAVINE
Structure number:	085117000000000
Location:	15th Ave NE & NE 62nd St
Purpose:	Carries highway and pedestrian walkway over relief for waterway
Route classification:	Minor Arterial (Urban) [16]
Length of largest span:	160.1 ft. [48.8 m]
Total length:	358.0 ft. [109.1 m]
Roadway width between curbs:	42.0 ft. [12.8 m]
Deck width edge-to-edge:	55.4 ft. [16.9 m]
Owner:	City or Municipal Highway Agency [04]
Year built:	1936
Historic significance:	Bridge is on the National Register of Historic Places [1]
Design load:	M 18 / H 20 [4]
Main span material:	Concrete continuous [2]
Main span design:	Arch - Deck [11]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	9,246 [as of 2008]
Truck traffic:	5% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Satisfactory [6 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 (including piles) on dry land well above flood water elevations. [9]
Operating rating:	19.8 tons [18.0 metric tons]
Inventory rating:	11.9 tons [10.8 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	27.3
Estimated cost of work:	$1,724,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	9,300 [as of 1989]
Truck traffic:	5% of total traffic
Deck condition:	Satisfactory [6 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 (including piles) on dry land well above flood water elevations. [9]
Operating rating:	19.8 tons [18.0 metric tons]
Inventory rating:	11.9 tons [10.8 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	44.3
Estimated cost of work:	$1,724,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	9,300 [as of 1989]
Truck traffic:	5% 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]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	44.6 tons [40.5 metric tons]
Inventory rating:	13.9 tons [12.6 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	48.3
Estimated cost of work:	$1,724,000

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