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Nearby Bridges in NBI 2021: 1


COUNTY ROAD over WALNUT CREEK (Route: 0)
Num:131550x
Posted for load [P]
Built: 1936, 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] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 12.8 m = 42.0 ft
Main Spans: 1 at 12.5 m = 41.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.8 m = 19.0 ft (2 Lanes) and Out-To-Out: 6.2 m = 20.3 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Dallas County [049], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
79261101
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Serious [3]
Loading
Design:
Operating: 12.2 metric ton = 13.4 tons (Allowable Stress(AS) [2])
Inventory: 7.5 metric ton = 8.3 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present minimum criteria [6] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: November 1999 [1199] and Frequency: 12
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 100 (2016) and Trucks: 0%
Future ADT: 100 (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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