Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Corrugated Steel [6] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 38.4 m = 126.0 ft
Main Spans: 1 at 38 m = 124.7 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.9 m = 25.9 ft (2 Lanes) and Out-To-Out: 8.9 m = 29.2 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: King County [033], Washington [53]
Owned by U.S. Forest Service [64], DOT District: 0
2 MI NE OF 58/9035 JCT
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 68.1 metric ton = 74.9 tons (Load Factor(LF) [1])
Inventory: 40.9 metric ton = 45.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: N/A [N]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.9 km = 0.6 mi
Traffic
ADT: 232 (1993) and Trucks: 20%
Future ADT: 348 (In 2041
)