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Nearby Bridges in NBI 2021: 1


580TH AVE over LONG DICK CREEK (Route: 0)
Num:316190x
Posted for load [P]
Built: 1964, 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): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Gravel [8]
Bridge Dimensions
Length: 18.9 m = 62.0 ft
Main Spans: 1 at 18.3 m = 60.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7 m = 23.0 ft (1 Lanes) and Out-To-Out: 7.4 m = 24.3 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Story County [169], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
85231602
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design:
Operating: 13.6 metric ton = 15.0 tons (Allowable Stress(AS) [2])
Inventory: 9.1 metric ton = 10.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: November 2020 [1120] 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: 0.6 km = 0.4 mi
Traffic
ADT: 50 (2019) and Trucks: 0%
Future ADT: 50 (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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