Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Low slump Concrete [4]
Bridge Dimensions
Length: 91.2 m = 299.2 ft
Main Spans: 3 at 29.9 m = 98.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.3 m = 40.4 ft (2 Lanes) and Out-To-Out: 13.6 m = 44.6 ft for a 11.3 m = 37.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Des Moines [15769]: Jackson County [063], Minnesota [27]
Owned by State Highway Agency [01], DOT District: 7
1.1 MI W OF JCT TH 71
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 75.5 metric ton = 83.1 tons (Load Factor(LF) [1])
Inventory: 23.9 metric ton = 26.3 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: October 2020 [1020] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 4472 (2019) and Trucks: 15%
Future ADT: 4400 (In 2039
)
