I-405 (HWY 061)CON over SHERIDAN ST

Map 

Facts 

Name:	I-405 (HWY 061)CON over SHERIDAN ST
Structure number:	08193 061C00052
Location:	W. END OF MARQUAM BR
Purpose:	Carries highway and pedestrian walkway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	65.0 ft. [19.8 m]
Total length:	149.0 ft. [45.4 m]
Roadway width between curbs:	85.0 ft. [25.9 m]
Deck width edge-to-edge:	89.9 ft. [27.4 m]
Vertical clearance above deck:	16.4 ft. [5.0 m]
Vertical clearance below bridge:	18.7 ft. [5.7 m]
Skew angle:	17°
Owner:	State Highway Agency [01]
Year built:	1959
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:	Stringer/Multi-beam or girder [02]
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:	48,217 [as of 2008]
Truck traffic:	6% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	59.8 tons [54.4 metric tons]
Inventory rating:	36.0 tons [32.7 metric tons]
Sufficiency rating:	93.4

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	14,670 [as of 1998]
Truck traffic:	6% of total traffic
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:	49.5 tons [45.0 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	96.6

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	24,000 [as of 1988]
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]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	49.5 tons [45.0 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	94.2

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