Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Wood or timber [7] Stringer/Multi-beam or girder [02]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 59.2 m = 194.2 ft
Main Spans: 1 at 21.3 m = 69.9 ft
Approach Spans: 8
Skew: 0
Width, Roadway: 3.8 m = 12.5 ft (1 Lanes) and Out-To-Out: 4.2 m = 13.8 ft for a 3 m = 9.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Mendocino County [045], California [06]
Owned by County Highway Agency [02], DOT District: 1
1.1 MI WEST OF US 101
Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design:
Operating: 17.8 metric ton = 19.6 tons (Allowable Stress(AS) [2])
Inventory: 13 metric ton = 14.3 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Equal to present minimum criteria [6] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: August 2020 [0820] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 19 (2014) and Trucks: 2%
Future ADT: 41 (In 2042
)
