Bridge Type
Main Span(s): Prestressed concrete [5] Tee beam [04]
Approach Span(s): Other [00]
Deck: Other [9] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 36 m = 118.1 ft
Main Spans: 1 at 35.1 m = 115.2 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.8 m = 22.3 ft (2 Lanes) and Out-To-Out: 7.6 m = 24.9 ft for a 6.1 m = 20.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Skamania County [059], Washington [53]
Owned by Bureau of Fish and Wildlife [63], DOT District: 1
LITTLE WHITE SALMON NFH
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 43.5 metric ton = 47.9 tons (Allowable Stress(AS) [2])
Inventory: 26.3 metric ton = 28.9 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 2018 [0818] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 35 (2018) and Trucks: 0%
Future ADT: 45 (In 2038
)
