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: 52.4 m = 171.9 ft
Main Spans: 5 at 11.6 m = 38.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 14.4 m = 47.2 ft (2 Lanes) and Out-To-Out: 16.6 m = 54.5 ft for a 14.4 m = 47.2 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-116-R12.42
Condition
Deck: Poor [4]
Superstructure: Poor [4]
Substructure: Good [7]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 39.2 metric ton = 43.1 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 27.2 metric ton = 29.9 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: October 2020 [1020] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 8450 (2009) and Trucks: 4%
Future ADT: 8655 (In 2037
)