Bridge Type
Main Span(s): Concrete [1] Girder and floorbeam system [03]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 10.9 m = 35.8 ft
Main Spans: 1 at 9.7 m = 31.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 7.7 m = 25.3 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Cottrellville [18400]: St. Clair County [147], Michigan [26]
Owned by County Highway Agency [02], DOT District: 4
SEC 10 COTTRELLVILLE TWP
Condition
Deck: Poor [4]
Superstructure: Poor [4]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 19.4 metric ton = 21.3 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 9.7 metric ton = 10.7 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: April 2020 [0420] and Frequency: 12
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 2800 (1994) and Trucks: 5%
Future ADT: 3450 (In 2014
)
