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Nearby Bridges in NBI 2021: 1


422nd Avenue over Spain Ditch (Route: 0)
Num:46100171x
Posted for load [P]
Built: 1930, Reconstructed: 1972
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Wood or timber [7] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 7.6 m = 24.9 ft
Main Spans: 2 at 3.7 m = 12.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.1 m = 23.3 ft (2 Lanes) and Out-To-Out: 7.6 m = 24.9 ft for a 5.5 m = 18.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Marshall County [091], South Dakota [46]
Owned by County Highway Agency [02], DOT District: 1
5.9N & 3E of Langford
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Poor [4]
Loading
Design:
Operating: 13.8 metric ton = 15.2 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 10.6 metric ton = 11.7 tons (Load and Resistance Factor(LRFR) [3])
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: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: June 1999 [699] 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: 0.5 km = 0.3 mi
Traffic
ADT: 35 (2018) and Trucks: 2%
Future ADT: 35 (In 2032 )

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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