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Nearby Bridges in NBI 2021: 3


STATE ROUTE 96 over KLAMATH RIVER (ORLEANS) (Route: 96)
Num: 04 0069x
Open: no restriction [A]
Built: 1966, Reconstructed: N/A [0000]
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Steel [3] Suspension [13]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 234.7 m = 770.1 ft
Main Spans: 3 at 131.1 m = 430.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 10.4 m = 34.1 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 7.62 m = 25.0 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Humboldt County [023], California [06]
Owned by State Highway Agency [01], DOT District: 1
01-HUM-096-38.57
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 50.5 metric ton = 55.6 tons (Load Factor(LF) [1])
Inventory: 30.5 metric ton = 33.6 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 990 (1998) and Trucks: 16%
Future ADT: 653 (In 2040 )
ISHI PISHI RD over RANGER FLAT DRAW (Route: 0)
Num: 04C0181x
Open: no restriction [A]
Built: 1950, 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] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 15.8 m = 51.8 ft
Main Spans: 1 at 14.9 m = 48.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 3.8 m = 12.5 ft (1 Lanes) and Out-To-Out: 4.4 m = 14.4 ft for a 3.4 m = 11.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Humboldt County [023], California [06]
Owned by County Highway Agency [02], DOT District: 1
0.3 MI N JCT SR 96
Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design:
Operating: 65.4 metric ton = 71.9 tons (Load Factor(LF) [1])
Inventory: 39.2 metric ton = 43.1 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.9 km = 1.2 mi
Traffic
ADT: 122 (2011) and Trucks: 1%
Future ADT: 153 (In 2041 )
RED CAP ROAD over BIG ROCK GULCH (Route: 0)
Num: 04C0259x
Open: no restriction [A]
Built: 2019, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]
Bridge Dimensions
Length: 17.6 m = 57.7 ft
Main Spans: 1 at 16.1 m = 52.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.9 m = 32.5 ft (2 Lanes) and Out-To-Out: 11 m = 36.1 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Humboldt County [023], California [06]
Owned by County Highway Agency [02], DOT District: 1
0.3 MILES SW OF SR96
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design:
Operating: 54.1 metric ton = 59.5 tons ()
Inventory: 32.4 metric ton = 35.6 tons ()
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 425 (2011) and Trucks: 2%
Future ADT: 512 (In 2041 )

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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