Grosse Ile Free Bridge

Photos

Photo taken by C Hanchey

License: Creative Commons Attribution-NonCommercial (CC BY-NC)

BH Photo #343730

Overview: Swing bridge over Trenton Channel on Grosse Ile Pkwy
Location: Wayne County, Michigan
Status: Open to traffic
History: Built 1932; rehabilitated 1980
Design: Swing
Dimensions: Length of largest span: 170.0 ft.
Total length: 339.9 ft.
Deck width: 20.0 ft.
Recognition: Posted to the National Register of Historic Places
Approximate latitude, longitude: +42.12722, -83.17278 (decimal degrees)
42°07'38" N, 83°10'22" W (degrees°minutes'seconds")
Approximate UTM coordinates: 17/320410/4666186 (zone/easting/northing)
Quadrangle map:: Wyandotte
Inventory numbers: MINBI 82200010000B020 (Michigan bridge number on the National Bridge Inventory 2010 and before)
MINEW 12006 (Michigan bridge number on the National Bridge Inventory 2011 and later)
BH 20275 (Bridgehunter.com ID)
Inspection (as of 07/2009): Deck condition rating: Excellent (9 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 56.0 (out of 100)
Average daily traffic (as of 2007): 22,180