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Nearby Bridges in NBI 2021: 1


31-MC13 over UNNAMED WATERWAY (Route: 31013)
Num:8092x
Posted for load [P]
Built: 1976, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Aluminum: Wrought Iron or Cast Iron [9] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Aluminum [7] with Wearing Surface: Other [9]
Bridge Dimensions
Length: 22.9 m = 75.1 ft
Main Spans: 1 at 21.9 m = 71.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.5 m = 14.8 ft (1 Lanes) and Out-To-Out: 5.2 m = 17.1 ft for a 5.5 m = 18.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: McKinley County [031], New Mexico [35]
Owned by County Highway Agency [02], DOT District: 6
0.4 MI E US-491 @ MP-9.7
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design:
Operating: 25.9 metric ton = 28.5 tons (Load Factor(LF) [1])
Inventory: 14.6 metric ton = 16.1 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: August 2020 [0820] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 1 km = 0.6 mi
Traffic
ADT: 347 (2019) and Trucks: 0%
Future ADT: 445 (In 2039 )

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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