Bridge Type
Main Span(s): Prestressed concrete [5] Box Beam or girders - Single or Spread [06]
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: 13.7 m = 44.9 ft
Main Spans: 1 at 12.5 m = 41.0 ft
Approach Spans: 0
Skew: 10
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 13.1 m = 43.0 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Leighton [46760]: Allegan County [005], Michigan [26]
Owned by County Highway Agency [02], DOT District: 3
LEIGHTON TWP SEC 31-32
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design:
Operating: 97.2 metric ton = 106.9 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 70 metric ton = 77.0 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: April 1999 [499] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 1271 (2007) and Trucks: 5%
Future ADT: 2091 (In 2028
)