N WEST AVE over HERNDON CANAL

Map 

Facts 

Name:	N WEST AVE over HERNDON CANAL
Structure number:	42C0190
Location:	NORTH OF ASHLAN AVE
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	43.0 ft. [13.1 m]
Total length:	44.0 ft. [13.4 m]
Roadway width between curbs:	79.1 ft. [24.1 m]
Deck width edge-to-edge:	99.1 ft. [30.2 m]
Skew angle:	30°
Owner:	City or Municipal Highway Agency [04]
Year built:	1963
Year reconstructed:	1974
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18 / HS 20 [5]
Main span material:	Prestressed concrete [5]
Main span design:	Slab [01]
Deck type:	Concrete Precast Panels [2]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	15,000 [as of 1976]
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:	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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	61.7 tons [56.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	95.9

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	7,920 [as of 1998]
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:	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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	60.8 tons [55.3 metric tons]
Inventory rating:	35.9 tons [32.6 metric tons]
Sufficiency rating:	96.9

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	7,920 [as of 1976]
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:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	60.4 tons [54.9 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	96.8

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