COLUMBIA BLVD over B-78A OVER BNRR

Map 

Facts 

Name:	COLUMBIA BLVD over B-78A OVER BNRR
Structure number:	09685A000000223
Location:	IN N PORTLAND
Purpose:	Carries highway and pedestrian walkway over railroad
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	78.1 ft. [23.8 m]
Total length:	207.0 ft. [63.1 m]
Roadway width between curbs:	26.9 ft. [8.2 m]
Deck width edge-to-edge:	33.8 ft. [10.3 m]
Vertical clearance below bridge:	22.3 ft. [6.8 m]
Skew angle:	25°
Owner:	City or Municipal Highway Agency [04]
Year built:	1968
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:	2
Main spans material:	Steel [3]
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:	10,418 [as of 2007]
Truck traffic:	25% of total traffic
Deck condition:	Fair [5 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:	56.9 tons [51.7 metric tons]
Inventory rating:	38.9 tons [35.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	73.7
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:	$1,061,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	9,260 [as of 1997]
Truck traffic:	25% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Very Good [8 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	63.4 tons [57.6 metric tons]
Inventory rating:	39.6 tons [36.0 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	74.8
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$475,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	7,500 [as of 1989]
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]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	75.3

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