I0020 over MARION ST

Map 

Facts 

Name:	I0020 over MARION ST
Structure number:	040904510116771
Location:	.2 MI EAST OF US 80
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	58.1 ft. [17.7 m]
Total length:	148.0 ft. [45.1 m]
Roadway width between curbs:	60.4 ft. [18.4 m]
Deck width edge-to-edge:	65.6 ft. [20.0 m]
Vertical clearance below bridge:	16.4 ft. [5.0 m]
Skew angle:	15°
Owner:	State Highway Agency [01]
Year built:	1965
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18 / HS 20 [5]
Number of main spans:	3
Main spans material:	Concrete continuous [2]
Main spans design:	Tee beam [04]
Deck type:	Concrete Cast-in-Place [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	42,600 [as of 2009]
Truck traffic:	29% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	55.4 tons [50.4 metric tons]
Inventory rating:	33.7 tons [30.6 metric tons]
Sufficiency rating:	74.9
Recommended work:	Other structural work, including hydraulic replacements. [38]

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	34,087 [as of 1997]
Truck traffic:	29% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Fair [5 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]
Operating rating:	56.4 tons [51.3 metric tons]
Inventory rating:	32.7 tons [29.7 metric tons]
Sufficiency rating:	75.6
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	38,496 [as of 1991]
Truck traffic:	29% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Fair [5 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]
Operating rating:	56.4 tons [51.3 metric tons]
Inventory rating:	32.7 tons [29.7 metric tons]
Sufficiency rating:	74.4
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]

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