Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 15.7 m = 51.5 ft
Main Spans: 1 at 13.5 m = 44.3 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.8 m = 28.9 ft (2 Lanes) and Out-To-Out: 9.5 m = 31.2 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Ridgeway [68540]: Lenawee County [091], Michigan [26]
Owned by County Highway Agency [02], DOT District: 6
0.1 MI S OF SUTTON RD
Condition
Deck: Very Good [8]
Superstructure: Excellent [9]
Substructure: Very Good [8]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 70.1 metric ton = 77.1 tons (Load Factor(LF) [1])
Inventory: 42 metric ton = 46.2 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: N/A [N]
Road Alignment: Superior to present desirable criteria [9]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: February 2021 [0221] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 49 (2011) and Trucks: 1%
Future ADT: 150 (In 2031
)
