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Nearby Bridges in NBI 2021: 1


LOCAL over DM RIVER (Route: 0)
Num:185150x
Posted for load [P]
Built: 1911, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 33.5 m = 109.9 ft
Main Spans: 1 at 27.4 m = 89.9 ft
Approach Spans: 1
Skew: 0
Width, Roadway: 4.8 m = 15.7 ft (2 Lanes) and Out-To-Out: 4.8 m = 15.7 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 3.25 m = 10.7 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Humboldt County [091], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
93280503
Condition
Deck: Poor [4]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design:
Operating: 11.2 metric ton = 12.3 tons ()
Inventory: 7.6 metric ton = 8.4 tons ()
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: N/A [N]
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 the assessed or calculated scour condition. [8]
Inspections
Date: November 2020 [1120] and Frequency: 12
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 60 (2019) and Trucks: 0%
Future ADT: 60 (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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