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: Latex Concrete or similar additive [3]
Bridge Dimensions
Length: 76.8 m = 252.0 ft
Main Spans: 4 at 22.6 m = 74.2 ft
Approach Spans: 0
Skew: 35
Width, Roadway: 7.9 m = 25.9 ft (2 Lanes) and Out-To-Out: 9.6 m = 31.5 ft for a 10.9 m = 35.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Frenchtown [30820]: Monroe County [115], Michigan [26]
Owned by State Highway Agency [01], DOT District: 6
1.4 MI NE OF M-50
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 13.5 / HS 15 [3]
Operating: 59.3 metric ton = 65.2 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 35.6 metric ton = 39.2 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: May 1999 [599] and Frequency: 24
Future Work
Work Needed: Bridge deck replacement with only incidental widening. [37]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 1970 (1995) and Trucks: 3%
Future ADT: 1970 (In 2015
)