Bridge Type
Main Span(s): Concrete [1] Arch - Thru [12]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]
Bridge Dimensions
Length: 15.8 m = 51.8 ft
Main Spans: 1 at 15.8 m = 51.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 11.6 m = 38.1 ft (3 Lanes) and Out-To-Out: 14 m = 45.9 ft for a 15.9 m = 52.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Trenton [80420]: Wayne County [163], Michigan [26]
Owned by County Highway Agency [02], DOT District: 7
TRENTON E/JEFFERSON
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 39.5 metric ton = 43.5 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 35.3 metric ton = 38.8 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: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: November 2020 [1120] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1 km = 0.6 mi
Traffic
ADT: 21198 (1995) and Trucks: 2%
Future ADT: 16574 (In 2015
)