Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 70.1 m = 230.0 ft
Main Spans: 2 at 34.7 m = 113.9 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 10.4 m = 34.1 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Siskiyou County [093], California [06]
Owned by State Highway Agency [01], DOT District: 2
02-SIS-096-32.60
Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 68.4 metric ton = 75.2 tons (Allowable Stress(AS) [2])
Inventory: 23.3 metric ton = 25.6 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Equal to present minimum criteria [6]
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: 19.9 km = 12.3 mi
Traffic
ADT: 400 (2015) and Trucks: 14%
Future ADT: 435 (In 2040
)
