Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Prestressed concrete continuous [6] Mixed types [20]
Deck: Wood or Timber [8] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 797.1 m = 2615.3 ft
Main Spans: 3 at 128 m = 420.0 ft
Approach Spans: 15
Skew: 0
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 6.8 m = 22.3 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 4.98 m = 16.3 ft and Navigational Clearance: 18.3 m = 60.0 ft
Location
Unknown [00000]: Wahkiakum County [069], Washington [53]
Owned by State Highway Agency [01], DOT District: 4
2.8 N FERRY DOCK
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 39.9 metric ton = 43.9 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 assessed or calculated scour condition. [5]
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: 15.9 km = 9.9 mi
Traffic
ADT: 1936 (2019) and Trucks: 7%
Future ADT: 2044 (In 2039
)
