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Nearby Bridges in NBI 2021: 1


290 STREET over MILL CREEK (Route: 0)
Num:158970x
Posted for load [P]
Built: 1920, 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: 46.9 m = 153.9 ft
Main Spans: 1 at 21.3 m = 69.9 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 4.7 m = 15.4 ft (1 Lanes) and Out-To-Out: 4.8 m = 15.7 ft for a 6.7 m = 22.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Fremont County [071], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
67411501
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 12.5 metric ton = 13.8 tons (Load Factor(LF) [1])
Inventory: 7.5 metric ton = 8.3 tons (Load Factor(LF) [1])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
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: 0.5 km = 0.3 mi
Traffic
ADT: 15 (2012) and Trucks: 0%
Future ADT: 15 (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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