NW COUCH BURNSIDE over SB ON RAMP CONN 5

Map 

Facts 

Name:	NW COUCH BURNSIDE over SB ON RAMP CONN 5
Structure number:	09279 061 00233
Location:	005 MI W OF PORTLAND CC
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	29.9 ft. [9.1 m]
Total length:	454.1 ft. [138.4 m]
Roadway width between curbs:	21.7 ft. [6.6 m]
Deck width edge-to-edge:	32.5 ft. [9.9 m]
Vertical clearance below bridge:	15.7 ft. [4.8 m]
Owner:	State Highway Agency [01]
Year built:	1968
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18 / HS 20 [5]
Main span material:	Concrete [1]
Main span design:	Frame [07]
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:	6,000 [as of 2008]
Truck traffic:	9% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 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]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	73.3
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:	$2,326,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	22,301 [as of 1998]
Truck traffic:	10% of total traffic
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]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	74.2
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:	$153,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	22,300 [as of 1990]
Truck traffic:	10% of total traffic
Superstructure condition:	Satisfactory [6 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]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	72.7

Comments