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: Bituminous [6]
Bridge Dimensions
Length: 34.1 m = 111.9 ft
Main Spans: 3 at 11.2 m = 36.7 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.7 m = 28.5 ft (2 Lanes) and Out-To-Out: 9.8 m = 32.2 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
Black Hammer [06292]: Houston County [055], Minnesota [27]
Owned by Town or Township Highway Agency [03], DOT District: 6
3.0 MI S OF JCT CSAH 4
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 52.2 metric ton = 57.4 tons (Load Factor(LF) [1])
Inventory: 31.4 metric ton = 34.5 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: May 2020 [0520] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1 km = 0.6 mi
Traffic
ADT: 32 (1986) and Trucks: 0%
Future ADT: 32 (In 2029
)
