Bridge Type
Main Span(s): Concrete continuous [2] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Low slump Concrete [4]
Bridge Dimensions
Length: 77.6 m = 254.6 ft
Main Spans: 4 at 21.3 m = 69.9 ft
Approach Spans: 0
Skew: 20
Width, Roadway: 13.4 m = 44.0 ft (2 Lanes) and Out-To-Out: 18.3 m = 60.0 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
Rochester [54880]: Olmsted County [109], Minnesota [27]
Owned by City or Municipal Highway Agency [04], DOT District: 6
0.3 MI E OF JCT TH 63
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: HL93 [A]
Operating: 27.9 metric ton = 30.7 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 20.7 metric ton = 22.8 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Better than present minimum criteria [7]
Waterway: Superior to present desirable criteria [9] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: October 2020 [1020] and Frequency: 12
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 8960 (2017) and Trucks: 0%
Future ADT: 13315 (In 2037
)