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Nearby Bridges in NBI 2021: 1


COUNTY HIGHWAY over NIOBRARA RIVER (Route: 0)
Num:C001602605Px
Posted for load [P]
Built: 1909, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Steel [3] Truss - Thru [10]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 39.9 m = 130.9 ft
Main Spans: 1 at 25.6 m = 84.0 ft
Approach Spans: 1
Skew: 0
Width, Roadway: 4.1 m = 13.5 ft (1 Lanes) and Out-To-Out: 4.3 m = 14.1 ft for a 3 m = 9.8 ft approaching roadway.
Vertical Clearance: 3.68 m = 12.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Cherry County [031], Nebraska [31]
Owned by County Highway Agency [02], DOT District: 8
7S 2E OF MERRIMAN
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design:
Operating: 3 metric ton = 3.3 tons (Allowable Stress(AS) [2])
Inventory: 2 metric ton = 2.2 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: June 1999 [699] 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: 10 km = 6.2 mi
Traffic
ADT: 10 (2003) and Trucks: 2%
Future ADT: 17 (In 2033 )

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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