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Nearby Bridges in NBI 2021: 1


LOCAL over BR DES MOINES RIVER (Route: 0)
Num:239640x
Posted for load [P]
Built: 1878, Reconstructed: N/A [0000]
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 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: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 182.9 m = 600.1 ft
Main Spans: 4 at 45.4 m = 149.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 3.9 m = 12.8 ft (1 Lanes) and Out-To-Out: 4.3 m = 14.1 ft for a 5.5 m = 18.0 ft approaching roadway.
Vertical Clearance: 5.08 m = 16.7 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Marion County [125], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
75181007
Condition
Deck: Poor [4]
Superstructure: Poor [4]
Substructure: Serious [3]
Loading
Design:
Operating: 18.1 metric ton = 19.9 tons ()
Inventory: 13.6 metric ton = 15.0 tons ()
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: December 2020 [1220] 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: 15.9 km = 9.9 mi
Traffic
ADT: 20 (2014) and Trucks: 0%
Future ADT: 20 (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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