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Nearby Bridges in NBI 2021: 4


CONFERENCE DR over EAST ZAYANTE ROAD (Route: 0)
Num: 36C0038x
Open: no restriction [A]
Built: 1930, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 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: 159.4 m = 523.0 ft
Main Spans: 13 at 15.2 m = 49.9 ft
Approach Spans: 0
Skew: 99
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 8.8 m = 28.9 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Santa Cruz County [087], California [06]
Owned by County Highway Agency [02], DOT District: 5
0.5 MI E OF SR 9
Condition
Deck: Fair [5]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design:
Operating: 36.6 metric ton = 40.3 tons (Load Factor(LF) [1])
Inventory: 21.7 metric ton = 23.9 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: 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: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 5000 (2016) and Trucks: 10%
Future ADT: 5000 (In 2036 )
GRAHAM HILL RD over BEAN CREEK (Route: 0)
Num: 36C0141x
Open: no restriction [A]
Built: 1936, 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): Concrete continuous [2] Girder and floorbeam system [03]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 32.9 m = 107.9 ft
Main Spans: 3 at 20.7 m = 67.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 9.4 m = 30.8 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Santa Cruz County [087], California [06]
Owned by County Highway Agency [02], DOT District: 5
@ EAST ZAYANTE ROAD
Condition
Deck: Fair [5]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design:
Operating: 34.7 metric ton = 38.2 tons (Load Factor(LF) [1])
Inventory: 22.4 metric ton = 24.6 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: Equal to present minimum criteria [6]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 14270 (2016) and Trucks: 3%
Future ADT: 14270 (In 2036 )
MT HERMON RD over SCBG RY & ZAYANTE CREEK (Route: 0)
Num: 36C0092x
Open: no restriction [A]
Built: 1971, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Concrete continuous [2] Box beam or girders - Multiple [05]
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: 138.7 m = 455.1 ft
Main Spans: 5 at 36.6 m = 120.1 ft
Approach Spans: 0
Skew: 10
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 12.8 m = 42.0 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Santa Cruz County [087], California [06]
Owned by County Highway Agency [02], DOT District: 5
0.7 MI NE GRAHAM HIL RD
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 99.8 metric ton = 109.8 tons (Load Factor(LF) [1])
Inventory: 59.9 metric ton = 65.9 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 minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1 km = 0.6 mi
Traffic
ADT: 19400 (2016) and Trucks: 10%
Future ADT: 19400 (In 2036 )
GRAHAM HILL RD over SAN LORENZO RIVER (Route: 0)
Num: 36C0101x
Open: no restriction [A]
Built: 1938, Reconstructed: 1989
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.8 Kilometers)

Bridge Type
Main Span(s): Concrete continuous [2] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 67.2 m = 220.5 ft
Main Spans: 3 at 35.2 m = 115.5 ft
Approach Spans: 0
Skew: 40
Width, Roadway: 17.7 m = 58.1 ft (4 Lanes) and Out-To-Out: 23.8 m = 78.1 ft for a 17.7 m = 58.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Santa Cruz County [087], California [06]
Owned by County Highway Agency [02], DOT District: 5
0.1 MI E STATE RTE 9
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design:
Operating: 48.9 metric ton = 53.8 tons (Load Factor(LF) [1])
Inventory: 29.5 metric ton = 32.5 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: Better than present minimum criteria [7] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 30100 (2016) and Trucks: 3%
Future ADT: 30100 (In 2036 )

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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