HAWTHORNE AVE over WILLAMETTE RIVER

Map 

Facts 

Name:	HAWTHORNE AVE over WILLAMETTE RIVER
Structure number:	02757 000000000
Location:	WILLAMETTE RIVER MP 13.2
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Collector (Urban) [17]
Length of largest span:	251.0 ft. [76.5 m]
Total length:	1382.9 ft. [421.5 m]
Roadway width between curbs:	43.6 ft. [13.3 m]
Deck width edge-to-edge:	73.2 ft. [22.3 m]
Vertical clearance above deck:	15.7 ft. [4.8 m]
Vertical clearance below bridge:	109.9 ft. [33.5 m]
Owner:	County Highway Agency [02]
Year built:	1910
Year reconstructed:	1997
Historic significance:	Bridge is eligible for the National Register of Historic Places [2]
Main span material:	Steel [3]
Main span design:	Movable - Lift [15]
Deck type:	Open Grating [3]
Wearing surface:	Other [9]

2010 Inspection 

Status:	Posted for load [P]
Average daily traffic:	25,610 [as of 2006]
Truck traffic:	10% of total traffic
Deck condition:	Good [7 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]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:	57.9 tons [52.6 metric tons]
Inventory rating:	35.0 tons [31.8 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	68.2
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:	$7,086,000

2000 Inspection 

Status:	New structure not yet open to traffic [G]
Average daily traffic:	12,882 [as of 1998]
Truck traffic:	10% of total traffic
Deck condition:	Very Good [8 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]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:	57.4 tons [52.2 metric tons]
Inventory rating:	34.7 tons [31.5 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	70.4
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:	$11,312,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	25,700 [as of 1990]
Truck traffic:	10% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Satisfactory [6 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]
Pier/abutment protection:	Navigation protection not required [1]
Operating rating:	33.7 tons [30.6 metric tons]
Inventory rating:	21.8 tons [19.8 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	52.3

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