Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Concrete [1] Mixed types [20]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 469.4 m = 1540.1 ft
Main Spans: 3 at 153.6 m = 504.0 ft
Approach Spans: 12
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 9.1 m = 29.9 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 4.55 m = 14.9 ft and Navigational Clearance: 22.9 m = 75.1 ft
Location
Unknown [00000]: Stevens County [065], Washington [53]
Owned by State Highway Agency [01], DOT District: 6
32.8 N JCT US 395
Condition
Deck: Serious [3]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 13.5 / HS 15 [3]
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: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: June 1999 [699] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 15.9 km = 9.9 mi
Traffic
ADT: 919 (2019) and Trucks: 27%
Future ADT: 1080 (In 2039
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