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: 10.9 m = 35.8 ft
Main Spans: 1 at 10.6 m = 34.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 3.7 m = 12.1 ft (2 Lanes) and Out-To-Out: 10.1 m = 33.1 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Fenton [27780]: Genesee County [049], Michigan [26]
Owned by County Highway Agency [02], DOT District: 4
BET SILVER LAKE & ROLSTON
Condition
Deck: Serious [3]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 16.2 metric ton = 17.8 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: Equal to present desirable criteria [8]
Waterway: Meets minimum tolerable limits to be left in place as is [4] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: November 2020 [1120] 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 km = 0.0 mi
Traffic
ADT: 610 (2009) and Trucks: 2%
Future ADT: 1101 (In 2029
)
