Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 81.4 m = 267.1 ft
Main Spans: 4 at 20.1 m = 65.9 ft
Approach Spans: 0
Skew: 18
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 8.7 m = 28.5 ft for a 8.2 m = 26.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Butte County [007], California [06]
Owned by County Highway Agency [02], DOT District: 3
JUST E/O HUMBUG RD
Condition
Deck: Fair [5]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 84.6 metric ton = 93.1 tons (Load Factor(LF) [1])
Inventory: 50.5 metric ton = 55.6 tons (Load Factor(LF) [1])
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: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 3.1 km = 1.9 mi
Traffic
ADT: 613 (2007) and Trucks: 7%
Future ADT: 2165 (In 2042
)
