Bridge Type
Main Span(s): Steel [3] Girder and floorbeam system [03]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Latex Concrete or similar additive [3]
Bridge Dimensions
Length: 27.1 m = 88.9 ft
Main Spans: 2 at 13.7 m = 44.9 ft
Approach Spans: 0
Skew: 35
Width, Roadway: 14 m = 45.9 ft (3 Lanes) and Out-To-Out: 15 m = 49.2 ft for a 13.7 m = 44.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Meridian [53140]: Ingham County [065], Michigan [26]
Owned by State Highway Agency [01], DOT District: 6
4.4 MI W OF WILLIAMSTON
Condition
Deck: Serious [3]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: M 13.5 / H 15 [2]
Operating: 25.9 metric ton = 28.5 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 15.6 metric ton = 17.2 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: August 2020 [0820] and Frequency: 12
Future Work
Work Needed: Bridge deck replacement with only incidental widening. [37]
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 13900 (2015) and Trucks: 3%
Future ADT: 16354 (In 2018
)