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Nearby Bridges in NBI 2021: 2


ELLER LANE over SCOTT RIVER (Route: 0)
Num: 02C0085x
Posted for load [P]
Built: 1910, Reconstructed: 1985
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 43.3 m = 142.1 ft
Main Spans: 1 at 42.7 m = 140.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.7 m = 15.4 ft (1 Lanes) and Out-To-Out: 4.9 m = 16.1 ft for a 5.5 m = 18.0 ft approaching roadway.
Vertical Clearance: 5.83 m = 19.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Siskiyou County [093], California [06]
Owned by County Highway Agency [02], DOT District: 2
JUST EAST OF ISLAND RD
Condition
Deck: Fair [5]
Superstructure: Good [7]
Substructure: Fair [5]
Loading
Design:
Operating: 19.8 metric ton = 21.8 tons (Load Factor(LF) [1])
Inventory: 11.7 metric ton = 12.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present minimum criteria [6] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: June 1999 [699] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 172 (2011) and Trucks: 10%
Future ADT: 357 (In 2040 )
ISLAND ROAD over SCOTT RIVER OVERFLOW (Route: 0)
Num: 02C0175x
Open: no restriction [A]
Built: 1977, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Concrete continuous [2] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 24.1 m = 79.1 ft
Main Spans: 3 at 7.8 m = 25.6 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 7.5 m = 24.6 ft for a 8.5 m = 27.9 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 W OF ISLAND RD
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 96.9 metric ton = 106.6 tons (Load Factor(LF) [1])
Inventory: 58.3 metric ton = 64.1 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: June 2020 [0620] and Frequency: 48
Future Work
Work Needed:
Bridge Detour: 1.9 km = 1.2 mi
Traffic
ADT: 86 (2011) and Trucks: 10%
Future ADT: 357 (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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