NB I280 & RAMPS over SR 87,CONNS,STRS,RIVER

Map 

Facts 

Name:	NB I280 & RAMPS over SR 87,CONNS,STRS,RIVER
Structure number:	37 0275R
Location:	04-SCL-280-R2.19-SJS
Purpose:	Carries highway over highway and waterway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	107.6 ft. [32.8 m]
Total length:	2511.3 ft. [765.4 m]
Roadway width between curbs:	65.9 ft. [20.1 m]
Deck width edge-to-edge:	67.9 ft. [20.7 m]
Vertical clearance above deck:	17.1 ft. [5.2 m]
Vertical clearance below bridge:	16.1 ft. [4.9 m]
Skew angle:	99°
Owner:	State Highway Agency [01]
Year built:	1971
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:	26
Main spans material:	Concrete continuous [2]
Main spans design:	Box beam or girders - Multiple [05]
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:	93,500 [as of 1998]
Truck traffic:	4% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	68.4 tons [62.2 metric tons]
Inventory rating:	41.4 tons [37.6 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	73.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$42,235,000

2000 Inspection 

Average daily traffic:	52,400 [as of 1997]
Truck traffic:	2% of total traffic
Evaluation:	Not applicable [N]

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	88,550 [as of 1990]
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	65.3 tons [59.4 metric tons]
Inventory rating:	39.6 tons [36.0 metric tons]
Sufficiency rating:	79.0

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