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Nearby Bridges in NBI 2021: 2


MELITA ROAD over SANTA ROSA CREEK (Route: 0)
Num: 20C0186x
Open: no restriction [A]
Built: 1915, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]
Bridge Dimensions
Length: 26.5 m = 86.9 ft
Main Spans: 1 at 15.2 m = 49.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.2 m = 23.6 ft (2 Lanes) and Out-To-Out: 8 m = 26.2 ft for a 5.8 m = 19.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Santa Rosa [70098]: Sonoma County [097], California [06]
Owned by City or Municipal Highway Agency [04], DOT District: 4
0.1 M S LOS ALAMOS RD
Condition
Deck: Not Applicable [N]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design:
Operating: 27.2 metric ton = 29.9 tons ()
Inventory: 16.2 metric ton = 17.8 tons ()
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: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 2020 [0820] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 500 (2005) and Trucks: 2%
Future ADT: 320 (In 2042 )
SR 12 over SANTA ROSA CREEK (Route: 12)
Num: 20 0028x
Open: no restriction [A]
Built: 1974, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 20.7 m = 67.9 ft
Main Spans: 1 at 20.1 m = 65.9 ft
Approach Spans: 0
Skew: 37
Width, Roadway: 19.5 m = 64.0 ft (4 Lanes) and Out-To-Out: 25.6 m = 84.0 ft for a 25 m = 82.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Sonoma County [097], California [06]
Owned by State Highway Agency [01], DOT District: 4
04-SON-012-21.45
Condition
Deck: Fair [5]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 63.2 metric ton = 69.5 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 46 metric ton = 50.6 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Better than present minimum criteria [7]
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: 2.4 km = 1.5 mi
Traffic
ADT: 41250 (2012) and Trucks: 4%
Future ADT: 43100 (In 2037 )

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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