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:
Bridge Dimensions
Length: 45.7 m = 149.9 ft
Main Spans: 1 at 39.8 m = 130.6 ft
Approach Spans: 1
Skew: 0
Width, Roadway: 4.6 m = 15.1 ft (1 Lanes) and Out-To-Out: 5 m = 16.4 ft for a 4.9 m = 16.1 ft approaching roadway.
Vertical Clearance: 4.42 m = 14.5 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Siskiyou County [093], California [06]
Owned by County Highway Agency [02], DOT District: 2
0.1 MI E OF SR 3
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: M 9 / H 10 [1]
Operating: 13.9 metric ton = 15.3 tons (Allowable Stress(AS) [2])
Inventory: 9.7 metric ton = 10.7 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present minimum criteria [6]
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: 12
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 20 (2011) and Trucks: 5%
Future ADT: 27 (In 2041
)