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Nearby Bridges in NBI 2021: 1


AIRPORT WAY over SNOHOMISH R. (Route: 24140)
Num:81565000000000x
Open: no restriction [A]
Built: 1983, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 109.7 m = 359.9 ft
Main Spans: 1 at 48.8 m = 160.1 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 11 m = 36.1 ft (3 Lanes) and Out-To-Out: 15.1 m = 49.5 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 5.18 m = 17.0 ft and Navigational Clearance: 0 = N/A
Location
Snohomish [65170]: Snohomish County [061], Washington [53]
Owned by County Highway Agency [02], DOT District: 1
1.1 N JCT SR#9
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 76.2 metric ton = 83.8 tons (Load Factor(LF) [1])
Inventory: 45.4 metric ton = 49.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: April 2020 [0420] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 18119 (2017) and Trucks: 11%
Future ADT: 20000 (In 2038 )

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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