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Nearby Bridges in NBI 2021: 1


LOCAL over MIDDLE RACCOON RIVER (Route: 0)
Num:94470x
Posted for load [P]
Built: 1914, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

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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: Gravel [8]
Bridge Dimensions
Length: 25 m = 82.0 ft
Main Spans: 1 at 24.4 m = 80.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.8 m = 15.7 ft (1 Lanes) and Out-To-Out: 4.9 m = 16.1 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]: Carroll County [027], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
83343503
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 15.6 metric ton = 17.2 tons (Load Factor(LF) [1])
Inventory: 9.3 metric ton = 10.2 tons (Load Factor(LF) [1])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Equal to present desirable criteria [8]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: May 2020 [0520] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 15 (2016) and Trucks: 0%
Future ADT: 15 (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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