I-5 (HWY 001) over WILLAMETTE RIVER MARQUAM

Map 

Facts 

Name:	I-5 (HWY 001) over WILLAMETTE RIVER MARQUAM
Structure number:	08328 001 30038
Location:	1.1 MI S OF BURNSIDE BR
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	440.0 ft. [134.1 m]
Total length:	1044.0 ft. [318.2 m]
Roadway width between curbs:	113.9 ft. [34.7 m]
Deck width edge-to-edge:	168.0 ft. [51.2 m]
Vertical clearance above deck:	15.4 ft. [4.7 m]
Vertical clearance below bridge:	71.9 ft. [21.9 m]
Owner:	State Highway Agency [01]
Year built:	1966
Historic significance:	Historical significance is not determinable at this time [4]
Design load:	MS 18 / HS 20 [5]
Number of main spans:	3
Main spans material:	Steel [3]
Main spans design:	Truss - Deck [09]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	135,900 [as of 2008]
Truck traffic:	9% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Poor [4 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]
Pier/abutment protection:	None present but re-evaluation suggested [5]
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:	59.8 tons [54.4 metric tons]
Inventory rating:	36.0 tons [32.7 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	54.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$5,883,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	131,800 [as of 1997]
Truck traffic:	17% of total traffic
Deck condition:	Good [7 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]
Pier/abutment protection:	None present but re-evaluation suggested [5]
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:	57.4 tons [52.2 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	81.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	101,900 [as of 1990]
Truck traffic:	17% of total traffic
Deck condition:	Good [7 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]
Pier/abutment protection:	None present but re-evaluation suggested [5]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	57.4 tons [52.2 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	63.0

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