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Nearby Bridges in NBI 2021: 1


MAIN ST-MILBANK over SOUTH FORK WHETSTONE RV (Route: 0)
Num:26292069x
Open: no restriction [A]
Built: 1990, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Tee beam [04]
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: 10.5 m = 34.5 ft
Main Spans: 1 at 10.1 m = 33.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.8 m = 19.0 ft (2 Lanes) and Out-To-Out: 5.9 m = 19.4 ft for a 6.1 m = 20.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Milbank [42260]: Grant County [051], South Dakota [46]
Owned by Town or Township Highway Agency [03], DOT District: 1
EASTMAN AVE. MILBANK
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design:
Operating: 32.7 metric ton = 36.0 tons ()
Inventory: 24.5 metric ton = 27.0 tons ()
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Better than present minimum criteria [7] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: August 2020 [0820] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 200 (2018) and Trucks: 2%
Future ADT: 200 (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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