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Nearby Bridges in NBI 2021: 1


SO MAIN ST over CASCADE LANDING (Route: 0)
Num:900x
Bridge closed to all traffic [K]
Built: 1896, Reconstructed: 1960
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Deck [09]
Approach Span(s): Other [00]
Deck: Open Grating [3] with Wearing Surface:
Bridge Dimensions
Length: 141.4 m = 463.9 ft
Main Spans: 4 at 48.8 m = 160.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 12.2 m = 40.0 ft for a 9.8 m = 32.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00977]: Des Moines County [057], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
0
Condition
Deck: Good [7]
Superstructure: Critical [2]
Substructure: Fair [5]
Loading
Design:
Operating: 0 metric ton = 0.0 tons (Allowable Stress(AS) [2])
Inventory: 0 metric ton = 0.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural:
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations (including piles) on dry land well above flood water elevations. [9]
Inspections
Date: August 2008 [0808] 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: 0.3 km = 0.2 mi
Traffic
ADT: 780 (2018) and Trucks: 0%
Future ADT: 780 (In 2028 )

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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