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Nearby Bridges in NBI 2021: 2


ROAD over S FK SNOQUALMIE RIVER (Route: 58000)
Num:60505000003173x
Open: no restriction [A]
Built: 2004, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

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 )
ROAD over S FK SNOQUALMIE RIVER (Route: 58300)
Num:60505000001348x
Open: no restriction [A]
Built: 1964, Reconstructed: 2010
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Concrete continuous [2] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 27.4 m = 89.9 ft
Main Spans: 3 at 18.3 m = 60.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.3 m = 14.1 ft (1 Lanes) and Out-To-Out: 5.7 m = 18.7 ft for a 6.7 m = 22.0 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
0.1 MI W OF 58/5830 JCT
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: M 18 / H 20 [4]
Operating: 34.5 metric ton = 38.0 tons (Load Factor(LF) [1])
Inventory: 22.7 metric ton = 25.0 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 2017 [0717] and Frequency: 48
Future Work
Work Needed:
Bridge Detour: 15.8 km = 9.8 mi
Traffic
ADT: 50 (1995) and Trucks: 0%
Future ADT: 75 (In 2041 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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