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: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 51.8 m = 170.0 ft
Main Spans: 3 at 18.3 m = 60.0 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 7.9 m = 25.9 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
Leland [46820]: Leelanau County [089], Michigan [26]
Owned by State Highway Agency [01], DOT District: 2
LAKE LEELANAU
Condition
Deck: Excellent [9]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 70.6 metric ton = 77.7 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 42.4 metric ton = 46.6 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 2020 [1020] and Frequency: 8
Future Work
Work Needed: Bridge deck replacement with only incidental widening. [37]
Bridge Detour: 1.8 km = 1.1 mi
Traffic
ADT: 4650 (2020) and Trucks: 2%
Future ADT: 5150 (In 2040
)
