I 70 ML EBND over SAND CREEK

Map 

Facts 

Name:	I 70 ML EBND over SAND CREEK
Structure number:	E-17-BY
Location:	DENVER
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	54.1 ft. [16.5 m]
Total length:	335.6 ft. [102.3 m]
Roadway width between curbs:	52.2 ft. [15.9 m]
Deck width edge-to-edge:	56.1 ft. [17.1 m]
Skew angle:	20°
Owner:	State Highway Agency [01]
Year built:	1960
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:	6
Main spans material:	Concrete [1]
Main spans design:	Tee beam [04]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	68,000 [as of 2007]
Truck traffic:	9% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Poor [4 out of 9]
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:	Countermeasures have been installed to mitigate an existing problem with scour. [7]
Operating rating:	50.9 tons [46.3 metric tons]
Inventory rating:	30.9 tons [28.1 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	42.8
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$4,473,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	57,645 [as of 1997]
Truck traffic:	11% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Fair [5 out of 9]
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:	Countermeasures have been installed to mitigate an existing problem with scour. [7]
Operating rating:	50.5 tons [45.9 metric tons]
Inventory rating:	30.7 tons [27.9 metric tons]
Sufficiency rating:	57.2

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	41,500 [as of 1988]
Truck traffic:	9% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Fair [5 out of 9]
Channel protection:	Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	42.6 tons [38.7 metric tons]
Inventory rating:	33.7 tons [30.6 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	45.5
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$1,588,000

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