Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Latex Concrete or similar additive [3]
Bridge Dimensions
Length: 205.1 m = 672.9 ft
Main Spans: 12 at 21.9 m = 71.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.8 m = 25.6 ft (2 Lanes) and Out-To-Out: 9.4 m = 30.8 ft for a 10 m = 32.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Rudyard [70220]: Chippewa County [033], Michigan [26]
Owned by State Highway Agency [01], DOT District: 1
5.0 MI N OF MACKINAC COL
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: M 13.5 / H 15 [2]
Operating: 62.2 metric ton = 68.4 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 37.3 metric ton = 41.0 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 minimum criteria [6]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: June 2020 [0620] and Frequency: 24
Future Work
Work Needed: Bridge deck replacement with only incidental widening. [37]
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 1175 (2007) and Trucks: 9%
Future ADT: 1438 (In 2018
)
