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Nearby Bridges in NBI 2021: 3


BOULDER CREEK RD over CANYON CREEK (Route: 0)
Num: 02C0166x
Open: no restriction [A]
Built: 1993, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Steel plate (includes orthotropic) [5] with Wearing Surface:
Bridge Dimensions
Length: 17 m = 55.8 ft
Main Spans: 1 at 16 m = 52.5 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 3 m = 9.8 ft (1 Lanes) and Out-To-Out: 3.2 m = 10.5 ft for a 3 m = 9.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Siskiyou County [093], California [06]
Owned by County Highway Agency [02], DOT District: 2
0.1 MI SW SCOTT RIVER RD
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design:
Operating: 36.6 metric ton = 40.3 tons (Load Factor(LF) [1])
Inventory: 22 metric ton = 24.2 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 8 (2011) and Trucks: 1%
Future ADT: 32 (In 2042 )
CANYON CREEK RD over SCOTT RIVER (Route: 0)
Num: 02C0049x
Posted for load [P]
Built: 1938, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Steel [3] Suspension [13]
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: 61 m = 200.1 ft
Main Spans: 1 at 45.7 m = 149.9 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 3.7 m = 12.1 ft (1 Lanes) and Out-To-Out: 4.5 m = 14.8 ft for a 3 m = 9.8 ft approaching roadway.
Vertical Clearance: 4.98 m = 16.3 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Siskiyou County [093], California [06]
Owned by County Highway Agency [02], DOT District: 2
0.1 MI S/O SCOTT RIV RD
Condition
Deck: Fair [5]
Superstructure: Good [7]
Substructure: Fair [5]
Loading
Design:
Operating: 35 metric ton = 38.5 tons (Allowable Stress(AS) [2])
Inventory: 22 metric ton = 24.2 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Better than present minimum criteria [7] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 6 (2011) and Trucks: 5%
Future ADT: 11 (In 2040 )
BOULDER CREEK RD over BOULDER CREEK (Route: 0)
Num: 02C0188x
Open: no restriction [A]
Built: 1993, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Steel plate (includes orthotropic) [5] with Wearing Surface:
Bridge Dimensions
Length: 21.9 m = 71.9 ft
Main Spans: 1 at 20.1 m = 65.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 3 m = 9.8 ft (1 Lanes) and Out-To-Out: 3.5 m = 11.5 ft for a 3 m = 9.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Siskiyou County [093], California [06]
Owned by County Highway Agency [02], DOT District: 2
0.4 MI E CANYON CRK RD
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design:
Operating: 59 metric ton = 64.9 tons (Load Factor(LF) [1])
Inventory: 35.3 metric ton = 38.8 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: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 8 (2011) and Trucks: 1%
Future ADT: 32 (In 2042 )

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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