R H THOMPSON EXPWY over ARBORETUM & UNION BAY

Map 

Facts 

Name:	R H THOMPSON EXPWY over ARBORETUM & UNION BAY
Structure number:	0006872H0000000
Location:	0.5 E JCT SR 513
Purpose:	Carries highway over waterway
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	100.1 ft. [30.5 m]
Total length:	1461.0 ft. [445.3 m]
Roadway width between curbs:	21.0 ft. [6.4 m]
Deck width edge-to-edge:	25.6 ft. [7.8 m]
Owner:	State Highway Agency [01]
Year built:	1963
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:	15
Main spans material:	Prestressed concrete [5]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) [1]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	4,854 [as of 2007]
Truck traffic:	5% 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:	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:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	77.2 tons [70.2 metric tons]
Inventory rating:	62.4 tons [56.7 metric tons]
Sufficiency rating:	95.5
Estimated cost of work:	$504,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	5,105 [as of 1994]
Truck traffic:	5% 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:	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:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	19.8 tons [18.0 metric tons]
Inventory rating:	11.9 tons [10.8 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	59.5
Estimated cost of work:	$507,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	2,980 [as of 1976]
Truck traffic:	5% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	54.5 tons [49.5 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	96.8
Estimated cost of work:	$3,809,000

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