Bridge Type
Main Span(s): Steel continuous [4] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 52.3 m = 171.6 ft
Main Spans: 2 at 36.6 m = 120.1 ft
Approach Spans: 0
Skew: 29
Width, Roadway: 6.7 m = 22.0 ft (1 Lanes) and Out-To-Out: 7.9 m = 25.9 ft for a 6.7 m = 22.0 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 County Highway Agency [02], DOT District: 4
5 MI. EAST OF SEAVIEW RD.
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: HL93 [A]
Operating: 54 metric ton = 59.4 tons ()
Inventory: 32.4 metric ton = 35.6 tons ()
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 minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 1999 [699] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 8 km = 5.0 mi
Traffic
ADT: 100 (2015) and Trucks: 4%
Future ADT: 262 (In 2040
)
