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: 71.1 m = 233.3 ft
Main Spans: 2 at 35.6 m = 116.8 ft
Approach Spans: 0
Skew: 22
Width, Roadway: 13.3 m = 43.6 ft (2 Lanes) and Out-To-Out: 14.2 m = 46.6 ft for a 10.2 m = 33.5 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Clyde [16760]: St. Clair County [147], Michigan [26]
Owned by State Highway Agency [01], DOT District: 4
9.8 MI SE OF M-19
Condition
Deck: Poor [4]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 95.9 metric ton = 105.5 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 46.7 metric ton = 51.4 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: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: November 1999 [1199] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.6 km = 1.0 mi
Traffic
ADT: 5922 (2007) and Trucks: 6%
Future ADT: 9215 (In 2018
)