Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 21.9 m = 71.9 ft
Main Spans: 1 at 21.3 m = 69.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.3 m = 17.4 ft (2 Lanes) and Out-To-Out: 5.6 m = 18.4 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Jefferson [32660]: Spink County [115], South Dakota [46]
Owned by County Highway Agency [02], DOT District: 1
1.6W 0.7S ASHTON
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Serious [3]
Loading
Design:
Operating: 3.9 metric ton = 4.3 tons ()
Inventory: 2.9 metric ton = 3.2 tons ()
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Equal to present desirable criteria [8] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: July 2020 [0720] 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 km = 0.6 mi
Traffic
ADT: 55 (2018) and Trucks: 2%
Future ADT: 55 (In 2032
)
