Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 160.6 m = 526.9 ft
Main Spans: 7 at 22.8 m = 74.8 ft
Approach Spans: 1
Skew: 0
Width, Roadway: 15.8 m = 51.8 ft (4 Lanes) and Out-To-Out: 21.1 m = 69.2 ft for a 14.6 m = 47.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Monroe [55020]: Monroe County [115], Michigan [26]
Owned by State Highway Agency [01], DOT District: 6
IN MONROE
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 57.7 metric ton = 63.5 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 27.9 metric ton = 30.7 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: August 1999 [899] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 27951 (2007) and Trucks: 2%
Future ADT: 33773 (In 2018
)