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Details NBI 2012

NBI Structure Number:0001140B0000000
Route Sign Prefix:State Highway
Route Number:906
Facility Carried:SR 906
Feature Intersected:HYAK CR
Location:1.7 E KING CO
Year Built:1928
RecordType:Roadway is carried ON the structure
Level of Service:Mainline roadway
Owner:State Highway Agency
Highway Agency District:05
Maintenance Responsibility:State Highway Agency
Functional Class:Major Collector, Rural
Service On Bridge:Highway
Service Under Bridge:Waterway
Latitude:47 24 03.30 N
Longitude:121 24 17.70 W
Material Design:Concrete
Design Construction:Arch - Deck
Approach Material Design:Concrete
Approach Design Construction:Girder and Floorbeam System
Structure Length (m):56.7
Approach Roadway Width (m):9.8
Lanes on Structure:2
Average Daily Traffic:608
Year of Average Daily Traffic:2010
Design Load:M 18
Scour:Bridge foundations (including piles) on dry land well above flood water elevations.
Bridge Railings:Meet currently acceptable standards.
Historical Significance:Bridge is not eligible for the National Register of Historic Places.
# of Spans in Main Structure:1
# of Spans in Approach Structures:3
Bridge Median:No Median
StructureFlared:No flare
Transitions:Does not meet currently acceptable standards.
Approach Guardrail:Meets currently acceptable standards.
Approach Guardrail Ends:Does not meet currently acceptable standards.
Navigation Control:No Navigation Control on waterway (bridge permit not required).
Structure Open?:Open, no restrictions
Deck:Satisfactory Condition
Superstructure:Satisfactory Condition
Substructure:Satisfactory Condition
Structural Evaluation:Somewhat better than minimum adequacy to tolerate being left in place as is
Sufficiency Rating (%):75.6