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JACKSON BOULEVARD over UNION ST TRKS

Map 

Coordinates:
+41.87803, -87.63956
41°52'41" N, 87°38'22" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:JACKSON BOULEVARD over UNION ST TRKS
Structure number:000016626327278
Location:CHGO RIV TO CANAL ST
Purpose:Carries highway over railroad
Route classification:Collector (Urban) [17]
Length of largest span:51.8 ft. [15.8 m]
Total length:333.0 ft. [101.5 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:69.2 ft. [21.1 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Owner:Railroad [27]
Year built:1923
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:9
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

2010 Inspection 

Status:Bridge closed to all traffic [K]
Average daily traffic:8,900 [as of 2006]
Truck traffic:14% of total traffic
Deck condition:Serious [3 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Scour condition:Bridge not over waterway. [N]
Operating rating:37.6 tons [34.2 metric tons]
Inventory rating:22.8 tons [20.7 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:34.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,047,000

2000 Inspection 

Status:Open, no restriction [A]
Average daily traffic:6,600 [as of 1986]
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 out of 9]
Scour condition:Bridge not over waterway. [N]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:47.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,047,000

1992 Inspection 

Status:Open, no restriction [A]
Average daily traffic:6,600 [as of 1986]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Scour condition:Bridge not over waterway. [N]
Operating rating:35.6 tons [32.4 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:66.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,047,000