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Au Sable River Bridge


Bridge & Dam. Au Sable River, Mio, Michigan

1934 postcard image provided by David Shedlock


BH Photo #419535


Street Views 


Pony truss bridge over Au Sable River on Old M-65
Mio, Iosco County, Michigan
Built 1931; bypassed 2003
Two-span Parker pony truss
Length of largest span: 119.8 ft.
Total length: 319.9 ft.
Deck width: 23.3 ft.
Approximate latitude, longitude
+44.45422, -83.67517   (decimal degrees)
44°27'15" N, 83°40'31" W   (degrees°minutes'seconds")
Approximate UTM coordinates
17/287161/4925804 (zone/easting/northing)
Quadrangle map:
Loud Dam
Inventory numbers
MINBI 35135012000B020 (Michigan bridge number on the National Bridge Inventory 2010 and before)
BH 20075 (Bridgehunter.com ID)

Update Log 

  • April 10, 2020: New photo from Geoff Hubbs
  • September 29, 2019: New Street View added by Mike Kerkau
  • March 19, 2018: New photo from David Shedlock


  • David Shedlock
  • Mike Kerkau - mjkerkau [at] gmail [dot] com
  • Geoff Hubbs


Au Sable River Bridge
Posted September 30, 2019, by Mike Kerkau (mjkerkau [at] gmail [dot] com)

Hmmm. Looks like that would have been where M-72 and M-33 run concurrently north out of Mio:


Au Sable River Bridge
Posted September 30, 2019, by Nathan Holth (webmaster [at] historicbridges [dot] org)

The photo posted is of a bridge once located at Mio, Michigan which no longer exists today. This webpage is referencing the pony truss. Photodocumentation is available here: https://historicbridges.org/bridges/browser/?bridgebrowser=t...

Au Sable River Bridge
Posted September 29, 2019, by Tony Dillon (spansaver [at] hotmail [dot] com)

Photo shows a through truss.

Au Sable River Bridge
Posted September 29, 2019, by Mike Kerkau (mjkerkau [at] gmail [dot] com)

I vaguely remember going across this once sometime in the mid-90s as a kid. Definitely seems like there were more trees on the north side than there are now.

Took a family drive past it again just yesterday. We didn't stop here, but it did make for a real nice view as we went by.

On another note, it's kind of funny how the one photo on the bridge is from March 2017 while the StreetView for re-aligned M-65 has but one option, from 2008.

Au Sable River Bridge
Posted March 19, 2018, by Dhdh (mailservernoreply [at] jacksonmi [dot] gov)

Still exists. Is part of trail program now.