Bridge Type
Main Span(s): Prestressed concrete [5] 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: 18.3 m = 60.0 ft
Main Spans: 1 at 17.5 m = 57.4 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 11 m = 36.1 ft (2 Lanes) and Out-To-Out: 11.9 m = 39.0 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
Frost [30900]: Clare County [035], Michigan [26]
Owned by County Highway Agency [02], DOT District: 4
FROST TWP SEC 10
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Excellent [9]
Loading
Design: Greater than HL93 [B]
Operating: 46.3 metric ton = 50.9 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 37.3 metric ton = 41.0 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: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Meets minimum tolerable limits to be left in place as is [4] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.9 km = 1.2 mi
Traffic
ADT: 820 (2014) and Trucks: 10%
Future ADT: 1590 (In 2034
)
