SH 21B ML over KETTLE CREEK

Map 

Facts 

Name:	SH 21B ML over KETTLE CREEK
Structure number:	I-17-MJ
Location:	NBND POWERS
Purpose:	Carries highway over waterway
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	174.9 ft. [53.3 m]
Total length:	458.0 ft. [139.6 m]
Roadway width between curbs:	69.9 ft. [21.3 m]
Deck width edge-to-edge:	73.2 ft. [22.3 m]
Owner:	State Highway Agency [01]
Year built:	2005
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 22.5 / HS 25 [9]
Number of main spans:	3
Main spans material:	Steel continuous [4]
Main spans design:	Girder and floorbeam system [03]
Deck type:	Concrete Precast Panels [2]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	9,700 [as of 2007]
Truck traffic:	3% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Very Good [8 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:	49.8 tons [45.3 metric tons]
Inventory rating:	29.8 tons [27.1 metric tons]
Sufficiency rating:	93.7

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