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Nearby Bridges in NBI 2021: 1


MT MURPHY RD over SOUTH FK AMERICAN RIVER (Route: 0)
Num: 25C0004x
Posted for load [P]
Built: 1915, Reconstructed: 1931
Historic: Bridge is eligible for the NRHP. [2]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Concrete [1] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 147 m = 482.3 ft
Main Spans: 1 at 49.4 m = 162.1 ft
Approach Spans: 5
Skew: 0
Width, Roadway: 3.2 m = 10.5 ft (1 Lanes) and Out-To-Out: 5.7 m = 18.7 ft for a 4.6 m = 15.1 ft approaching roadway.
Vertical Clearance: 4.11 m = 13.5 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: El Dorado County [017], California [06]
Owned by County Highway Agency [02], DOT District: 3
0.1 MI E OF SR 49
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design:
Operating: 14.6 metric ton = 16.1 tons (Load Factor(LF) [1])
Inventory: 8.7 metric ton = 9.6 tons (Load Factor(LF) [1])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Equal to present desirable criteria [8] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 3.2 km = 2.0 mi
Traffic
ADT: 284 (2012) and Trucks: 10%
Future ADT: 816 (In 2040 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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