Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
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: 274.8 m = 901.6 ft
Main Spans: 7 at 41.5 m = 136.2 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 17.1 m = 56.1 ft (4 Lanes) and Out-To-Out: 21.3 m = 69.9 ft for a 17.1 m = 56.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Sauk City [71650]: Sauk County [111], Wisconsin [55]
Owned by State Highway Agency [01], DOT District: 1
0.1M E JCT STH 78 TO N
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 55.5 metric ton = 61.1 tons (Load Factor(LF) [1])
Inventory: 32.4 metric ton = 35.6 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: April 2020 [0420] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.9 km = 1.2 mi
Traffic
ADT: 18200 (2017) and Trucks: 8%
Future ADT: 21840 (In 2037
)
