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Nearby Bridges in NBI 2021: 1


RICHARDSON GAP N. over THOMAS CREEK (Route: 0)
Num:12965 063700070x
Open: would be posted or closed except for temporary shoring [D]
Built: 1966, 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): Prestressed concrete [5] Slab [01]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 68.6 m = 225.1 ft
Main Spans: 1 at 39.9 m = 130.9 ft
Approach Spans: 3
Skew: 0
Width, Roadway: 6.7 m = 22.0 ft (1 Lanes) and Out-To-Out: 6.9 m = 22.6 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 4.42 m = 14.5 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Linn County [043], Oregon [41]
Owned by County Highway Agency [02], DOT District: 4
07 MI N FAS 118
Condition
Deck: Good [7]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design: M 18 / H 20 [4]
Operating: 32.7 metric ton = 36.0 tons (Allowable Stress(AS) [2])
Inventory: 23.6 metric ton = 26.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: August 2020 [0820] and Frequency: 12
Future Work
Work Needed: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 1236 (2020) and Trucks: 6%
Future ADT: 1751 (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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