Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
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: 11.3 m = 37.1 ft
Main Spans: 1 at 10.9 m = 35.8 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 9.6 m = 31.5 ft (2 Lanes) and Out-To-Out: 10.5 m = 34.5 ft for a 9.6 m = 31.5 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Moran [55480]: Mackinac County [097], Michigan [26]
Owned by County Highway Agency [02], DOT District: 1
4.0 MI E OF US-2
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: Greater than HL93 [B]
Operating: 68.7 metric ton = 75.6 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 52.2 metric ton = 57.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 480 (2015) and Trucks: 10%
Future ADT: 650 (In 2035
)
