TACOMA STREET over WILLAMETTE RIVER

Map 

Facts 

Name:	TACOMA STREET over WILLAMETTE RIVER
Structure number:	06879 000 00000
Location:	PORTLAND
Purpose:	Carries highway and pedestrian walkway over highway, waterway, and railroad
Route classification:	Collector (Urban) [17]
Length of largest span:	299.9 ft. [91.4 m]
Total length:	1972.2 ft. [601.1 m]
Roadway width between curbs:	24.0 ft. [7.3 m]
Deck width edge-to-edge:	30.8 ft. [9.4 m]
Vertical clearance below bridge:	75.1 ft. [22.9 m]
Owner:	County Highway Agency [02]
Year built:	1925
Year reconstructed:	1960
Historic significance:	Bridge is eligible for the National Register of Historic Places [2]
Design load:	MS 13.5 / HS 15 [3]
Number of main spans:	4
Main spans material:	Steel [3]
Main spans design:	Truss - Deck [09]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Posted for load [P]
Average daily traffic:	33,495 [as of 2007]
Truck traffic:	10% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Serious [3 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]
Pier/abutment protection:	None present but re-evaluation suggested [5]
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:	26.0 tons [23.6 metric tons]
Inventory rating:	16.0 tons [14.5 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	2.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$11,114,000

2000 Inspection 

Status:	Posted for load [P]
Average daily traffic:	28,781 [as of 1998]
Truck traffic:	10% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Satisfactory [6 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]
Pier/abutment protection:	None present but re-evaluation suggested [5]
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:	31.7 tons [28.8 metric tons]
Inventory rating:	18.8 tons [17.1 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	40.5
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:	$6,764,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	22,730 [as of 1989]
Truck traffic:	10% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Good [7 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]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	29.8 tons [27.1 metric tons]
Inventory rating:	19.4 tons [17.6 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	33.8

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