Bridge Type
Main Span(s): Concrete [1] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 8.8 m = 28.9 ft
Main Spans: 1 at 8.8 m = 28.9 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 11 m = 36.1 ft (2 Lanes) and Out-To-Out: 15.4 m = 50.5 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Mason [52180]: Ingham County [065], Michigan [26]
Owned by State Highway Agency [01], DOT District: 6
IN MASON (ASH ST)
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 54.1 metric ton = 59.5 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 32.4 metric ton = 35.6 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Basically intolerable requiring high priority of corrrective action [3] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: July 2020 [0720] and Frequency: 12
Future Work
Work Needed: Bridge deck replacement with only incidental widening. [37]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 5910 (2015) and Trucks: 3%
Future ADT: 6829 (In 2018
)