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SE 45TH AVE over B-90 OVER JOHNSON CREEK

Map 

Coordinates:
+45.46188, -122.61667
45°27'43" N, 122°37'00" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:SE 45TH AVE over B-90 OVER JOHNSON CREEK
Structure number:51C04 000 00001
Location:SE PORTLAND FAU 9704
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:40.0 ft. [12.2 m]
Total length:43.0 ft. [13.1 m]
Roadway width between curbs:38.4 ft. [11.7 m]
Deck width edge-to-edge:50.5 ft. [15.4 m]
Owner:City or Municipal Highway Agency [04]
Year built:1927
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Main span material:Concrete [1]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

2010 Inspection 

Status:Open, no restriction [A]
Average daily traffic:13,279 [as of 2007]
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]
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]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:31.9 tons [29.0 metric tons]
Inventory rating:18.9 tons [17.2 metric tons]
Sufficiency rating:72.2

2000 Inspection 

Status:Open, no restriction [A]
Average daily traffic:12,150 [as of 1998]
Truck traffic:10% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 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]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:31.7 tons [28.8 metric tons]
Inventory rating:18.8 tons [17.1 metric tons]
Sufficiency rating:72.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$488,000

1992 Inspection 

Status:Open, no restriction [A]
Average daily traffic:13,900 [as of 1989]
Truck traffic:10% 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]
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:Scour calculation/evaluation has not been made. [6]
Operating rating:33.4 tons [30.4 metric tons]
Inventory rating:24.8 tons [22.5 metric tons]
Sufficiency rating:89.9