I55 RL over I55-RL / MALLORY AVE

Map 

Facts 

Name:	I55 RL over I55-RL / MALLORY AVE
Structure number:	79I00550071
Location:	3.2 MI N OF SR14 JCT
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	81.0 ft. [24.7 m]
Total length:	168.0 ft. [51.2 m]
Roadway width between curbs:	40.0 ft. [12.2 m]
Deck width edge-to-edge:	46.6 ft. [14.2 m]
Vertical clearance below bridge:	14.4 ft. [4.4 m]
Skew angle:	10°
Owner:	State Highway Agency [01]
Year built:	1962
Historic significance:	Historical significance is not determinable at this time [4]
Design load:	MS 18 / HS 20 [5]
Main span material:	Prestressed concrete [5]
Main span 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:	60,190 [as of 2009]
Truck traffic:	24% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	56.4 tons [51.3 metric tons]
Inventory rating:	33.7 tons [30.6 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	68.3
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$2,804,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	62,130 [as of 1999]
Truck traffic:	24% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	88.1 tons [80.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	55.8
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:	$304,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	47,380 [as of 1991]
Truck traffic:	9% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 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]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	75.0
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$355,000

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