Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Concrete [1] Tee beam [04]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Epoxy Overlay [5]
Bridge Dimensions
Length: 125 m = 410.1 ft
Main Spans: 2 at 48.8 m = 160.1 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 7.9 m = 25.9 ft (2 Lanes) and Out-To-Out: 10 m = 32.8 ft for a 11.6 m = 38.1 ft approaching roadway.
Vertical Clearance: 4.57 m = 15.0 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Whatcom County [073], Washington [53]
Owned by State Highway Agency [01], DOT District: 1
12.0 N SKAGIT CO
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 40.8 metric ton = 44.9 tons (Load Factor(LF) [1])
Inventory: 24.5 metric ton = 27.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
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: July 1999 [799] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 6.9 km = 4.3 mi
Traffic
ADT: 3978 (2019) and Trucks: 15%
Future ADT: 5712 (In 2039
)