I40 over I40 / CHELSEA AVE

Map 

Facts 

Name:	I40 over I40 / CHELSEA AVE
Structure number:	79I00400047
Location:	1.5 MI N OF I40-I240 JCT
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	106.0 ft. [32.3 m]
Total length:	181.1 ft. [55.2 m]
Roadway width between curbs:	109.9 ft. [33.5 m]
Deck width edge-to-edge:	113.9 ft. [34.7 m]
Vertical clearance below bridge:	14.4 ft. [4.4 m]
Skew angle:	26°
Owner:	State Highway Agency [01]
Year built:	1964
Year reconstructed:	1976
Historic significance:	Historical significance is not determinable at this time [4]
Design load:	MS 18+Mod / HS 20+Mod [6]
Number of main spans:	3
Main spans material:	Prestressed concrete [5]
Main spans design:	Box beam or girders - Multiple [05]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	111,600 [as of 2009]
Truck traffic:	11% 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:	65.3 tons [59.4 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	79.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$3,587,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	93,840 [as of 1999]
Truck traffic:	11% 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:	40.6 tons [36.9 metric tons]
Inventory rating:	31.7 tons [28.8 metric tons]
Sufficiency rating:	78.7

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	85,750 [as of 1991]
Truck traffic:	7% 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:	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:	Bridge not over waterway. [N]
Operating rating:	48.5 tons [44.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	84.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$651,000

Comments