57TH ST over I- 90,94 RYAN & CTA

Map 

Facts 

Name:	57TH ST over I- 90,94 RYAN & CTA
Structure number:	000016115126287
Location:	0.2 M S 55TH ST
Purpose:	Carries highway overpass over highway and railroad
Route classification:	Local (Urban) [19]
Length of largest span:	71.9 ft. [21.9 m]
Total length:	296.9 ft. [90.5 m]
Roadway width between curbs:	49.9 ft. [15.2 m]
Deck width edge-to-edge:	65.9 ft. [20.1 m]
Vertical clearance below bridge:	14.4 ft. [4.4 m]
Owner:	State Highway Agency [01]
Year built:	1962
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:	5
Main spans material:	Steel continuous [4]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Other [9]
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	5,009 [as of 1997]
Truck traffic:	3% 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:	98.0 tons [89.1 metric tons]
Inventory rating:	67.3 tons [61.2 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	77.9
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$4,529,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	5,009 [as of 1997]
Truck traffic:	3% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	63.4 tons [57.6 metric tons]
Inventory rating:	41.6 tons [37.8 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	63.8
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$4,529,000

1992 Inspection 

Status:	Open, no restriction [A]
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:	48.5 tons [44.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	93.0

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