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SW 56TH AVE over B-70 OVER FANNO CREEK

Map 

Coordinates:
+45.46949, -122.73730
45°28'10" N, 122°44'14" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:SW 56TH AVE over B-70 OVER FANNO CREEK
Structure number:25B70 000 00000
Location:N OF HWY 10
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Urban) [19]
Length of largest span:24.9 ft. [7.6 m]
Total length:26.9 ft. [8.2 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:40.0 ft. [12.2 m]
Owner:City or Municipal Highway Agency [04]
Year built:1980
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Slab [01]
Deck type:Other [9]
Wearing surface:Bituminous [6]

2010 Inspection 

Status:Open, no restriction [A]
Average daily traffic:321 [as of 2007]
Truck traffic:1% 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 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]
Sufficiency rating:89.0

2000 Inspection 

Status:Open, no restriction [A]
Average daily traffic:300 [as of 1997]
Truck traffic:1% 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: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]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:49.5 tons [45.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:89.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$162,000

1992 Inspection 

Status:Open, no restriction [A]
Average daily traffic:1,109 [as of 1978]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Scour calculation/evaluation has not been made. [6]
Operating rating:49.5 tons [45.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:82.7