I-71 over NSC RR & RTA89

Map 

Facts 

Name:	I-71 over NSC RR & RTA89
Structure number:	1804774
Location:	1.46 MI. N. OF JCT. I-480
Purpose:	Carries highway over railroad
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	136.2 ft. [41.5 m]
Total length:	226.1 ft. [68.9 m]
Roadway width between curbs:	141.7 ft. [43.2 m]
Deck width edge-to-edge:	147.6 ft. [45.0 m]
Vertical clearance below bridge:	23.0 ft. [7.0 m]
Skew angle:	64°
Owner:	State Highway Agency [01]
Year built:	1966
Year reconstructed:	2000
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18+Mod / HS 20+Mod [6]
Number of main spans:	2
Main spans material:	Steel continuous [4]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	108,744 [as of 2007]
Truck traffic:	3% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 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]
Sufficiency rating:	78.0
Recommended work:	Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:	$1,821,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	94,576 [as of 1991]
Truck traffic:	7% of total traffic
Deck condition:	Fair [5 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:	43.6 tons [39.6 metric tons]
Inventory rating:	31.7 tons [28.8 metric tons]
Sufficiency rating:	68.8
Recommended work:	Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:	$1,821,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	91,882 [as of 1988]
Truck traffic:	7% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	59.4 tons [54.0 metric tons]
Inventory rating:	31.7 tons [28.8 metric tons]
Sufficiency rating:	69.8

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