Bridge Type
Main Span(s): Steel continuous [4] Truss - Thru [10]
Approach Span(s): Concrete continuous [2] Tee beam [04]
Deck: Open Grating [3] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 331.9 m = 1089.0 ft
Main Spans: 3 at 167.6 m = 549.9 ft
Approach Spans: 4
Skew: 0
Width, Roadway: 6.2 m = 20.3 ft (2 Lanes) and Out-To-Out: 6.7 m = 22.0 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 4.47 m = 14.7 ft and Navigational Clearance: 9.1 m = 29.9 ft
Location
Unknown [00000]: Douglas County [017], Washington [53]
Owned by State Highway Agency [01], DOT District: 2
0.2 N GRANT CO
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: M 13.5 / H 15 [2]
Operating: 37.2 metric ton = 40.9 tons (Load Factor(LF) [1])
Inventory: 21.8 metric ton = 24.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 5009 (2019) and Trucks: 7%
Future ADT: 6211 (In 2039
)
