Share:

WESTERN AV/31ST over SANITARY&SHIP CANAL

Map 

Coordinates:
+41.83831, -87.68507
41°50'18" N, 87°41'06" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:WESTERN AV/31ST over SANITARY&SHIP CANAL
Structure number:000016605623164
Location:3100 S WESTERN AVE
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:108.9 ft. [33.2 m]
Total length:295.0 ft. [89.9 m]
Roadway width between curbs:107.3 ft. [32.7 m]
Deck width edge-to-edge:145.3 ft. [44.3 m]
Vertical clearance above deck:16.1 ft. [4.9 m]
Vertical clearance below bridge:22.0 ft. [6.7 m]
Skew angle:12°
Owner:City or Municipal Highway Agency [04]
Year built:1940
Year reconstructed:1942
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Lift [15]
Deck type:Open Grating [3]
Wearing surface:Other [9]

2010 Inspection 

Status:Open, no restriction [A]
Average daily traffic:43,100 [as of 2006]
Truck traffic:15% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:78.0

2000 Inspection 

Status:Open, no restriction [A]
Average daily traffic:24,200 [as of 1998]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:In place but in a deteriorated condition [3]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:78.0

1992 Inspection 

Status:Open, no restriction [A]
Average daily traffic:30,000 [as of 1990]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:35.6 tons [32.4 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:89.0