I-5 (HWY 001) over IOWA STREET VIADUCT

Map 

Facts 

Name:	I-5 (HWY 001) over IOWA STREET VIADUCT
Structure number:	08197 001 29824
Location:	1.7 MI N MULTNOMAH BLVD
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	100.1 ft. [30.5 m]
Total length:	710.0 ft. [216.4 m]
Roadway width between curbs:	86.0 ft. [26.2 m]
Deck width edge-to-edge:	90.9 ft. [27.7 m]
Owner:	State Highway Agency [01]
Year built:	1959
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:	Box beam or girders - Multiple [05]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Latex Concrete or similar additive [3]

2010 Inspection 

Status:	Open, would be posted or closed except for temporary shoring [D]
Average daily traffic:	139,800 [as of 2008]
Truck traffic:	9% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Poor [4 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	59.8 tons [54.4 metric tons]
Inventory rating:	36.0 tons [32.7 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	53.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$4,001,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	142,000 [as of 1998]
Truck traffic:	17% 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:	49.5 tons [45.0 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	83.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	109,900 [as of 1990]
Truck traffic:	17% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	49.5 tons [45.0 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	79.0

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