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Nearby Bridges in NBI 2021: 1


OLD RAILROAD GRADE over NORTH YAMHILL RIVER (Route: 0)
Num:11526 000x
Posted for load [P]
Built: 1972, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Wood or timber [7] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 48.8 m = 160.1 ft
Main Spans: 5 at 12.2 m = 40.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.6 m = 15.1 ft (1 Lanes) and Out-To-Out: 5 m = 16.4 ft for a 5.5 m = 18.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Yamhill County [071], Oregon [41]
Owned by County Highway Agency [02], DOT District: 3
6 MI NW OF YAMHILL
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: M 18 / H 20 [4]
Operating: 11.3 metric ton = 12.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 8.7 metric ton = 9.6 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: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: September 2020 [0920] and Frequency: 12
Future Work
Work Needed: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 244 (2020) and Trucks: 20%
Future ADT: 274 (In 2025 )

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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