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
)