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Nearby Bridges in NBI 2021: 1


SR 17 over COLUMBIA RIVER (Route: 17)
Num:000000LR0000000x
Open: no restriction [A]
Built: 1950, Reconstructed: N/A [0000]
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] Truss - Deck [09]
Approach Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 350.5 m = 1150.0 ft
Main Spans: 3 at 91.4 m = 299.9 ft
Approach Spans: 4
Skew: 0
Width, Roadway: 7.9 m = 25.9 ft (2 Lanes) and Out-To-Out: 10.2 m = 33.5 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 12.2 m = 40.0 ft
Location
Unknown [00000]: Douglas County [017], Washington [53]
Owned by State Highway Agency [01], DOT District: 2
0.1 N JCT SR 173
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 46.3 metric ton = 50.9 tons (Load Factor(LF) [1])
Inventory: 28.1 metric ton = 30.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
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: August 1999 [899] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 5.6 km = 3.5 mi
Traffic
ADT: 2678 (2019) and Trucks: 17%
Future ADT: 3320 (In 2039 )

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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