I 59 over 77 TH ST

Map 

Facts 

Name:	I 59 over 77 TH ST
Structure number:	011559
Old structure number:	00000I59370308A (from 1992 edition)
Location:	I 59 & 77 TH ST
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	86.0 ft. [26.2 m]
Total length:	198.5 ft. [60.5 m]
Roadway width between curbs:	50.9 ft. [15.5 m]
Deck width edge-to-edge:	54.1 ft. [16.5 m]
Vertical clearance below bridge:	16.4 ft. [5.0 m]
Skew angle:	10°
Owner:	State Highway Agency [01]
Year built:	1976
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:	3
Main spans material:	Steel continuous [4]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	34,580 [as of 2008]
Truck traffic:	9% 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:	47.9 tons [43.5 metric tons]
Inventory rating:	36.0 tons [32.7 metric tons]
Sufficiency rating:	86.4
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$3,936,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	37,525 [as of 1998]
Truck traffic:	6% 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:	47.9 tons [43.5 metric tons]
Inventory rating:	36.0 tons [32.7 metric tons]
Sufficiency rating:	86.1

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	25,850 [as of 1988]
Truck traffic:	6% 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:	44.6 tons [40.5 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	85.8

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