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Nearby Bridges in NBI 2021: 1


LOCAL-CLOSED! over DD 81 (Route: 0)
Num:269270x
Posted for load [P]
Built: 1882, Reconstructed: 2010
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Wood or timber [7] Stringer/Multi-beam or girder [02]
Deck: Wood or Timber [8] with Wearing Surface:
Bridge Dimensions
Length: 49.4 m = 162.1 ft
Main Spans: 1 at 36.6 m = 120.1 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 4.1 m = 13.5 ft (1 Lanes) and Out-To-Out: 4.4 m = 14.4 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 3.91 m = 12.8 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Palo Alto County [147], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
95322104
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 9.8 metric ton = 10.8 tons (Allowable Stress(AS) [2])
Inventory: 6.1 metric ton = 6.7 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
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: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 1.5 km = 0.9 mi
Traffic
ADT: 45 (2015) and Trucks: 0%
Future ADT: 45 (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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