Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Gravel [8]
Bridge Dimensions
Length: 13.7 m = 44.9 ft
Main Spans: 3 at 4.6 m = 15.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.5 m = 14.8 ft (1 Lanes) and Out-To-Out: 4.6 m = 15.1 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
Alba [00604]: Jackson County [063], Minnesota [27]
Owned by Town or Township Highway Agency [03], DOT District: 7
0.3 MI S OF JCT CSAH 18
Condition
Deck:
Superstructure:
Substructure:
Loading
Design:
Operating: 4.9 metric ton = 5.4 tons (Allowable Stress(AS) [2])
Inventory: 2.9 metric ton = 3.2 tons (Allowable Stress(AS) [2])
Appraisal
Structural:
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 2009 [0809] and Frequency: 12
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 10 (1988) and Trucks: 0%
Future ADT: 10 (In 2029
)
