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Nearby Bridges in NBI 2021: 1


HAYDEN ROAD over ALSEA RIVER (Route: 0)
Num:14538 000x
Posted for load [P]
Built: 1945, Reconstructed: N/A [0000]
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Wood or timber [7] Truss - Thru [10]
Approach Span(s): Wood or timber [7] Stringer/Multi-beam or girder [02]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 46 m = 150.9 ft
Main Spans: 1 at 27.7 m = 90.9 ft
Approach Spans: 3
Skew: 0
Width, Roadway: 5.2 m = 17.1 ft (2 Lanes) and Out-To-Out: 5.3 m = 17.4 ft for a 5.5 m = 18.0 ft approaching roadway.
Vertical Clearance: 3.61 m = 11.8 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Benton County [003], Oregon [41]
Owned by County Highway Agency [02], DOT District: 4
0014 MI S OF HWY 34
Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design:
Operating: 11.7 metric ton = 12.9 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 9.1 metric ton = 10.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: N/A [N]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: July 2020 [0720] and Frequency: 12
Future Work
Work Needed: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 102 (2020) and Trucks: 0%
Future ADT: 139 (In 2040 )

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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