Rating:
4 votes

Ontonagon River Middle Branch Bridge

Photos 

Ontonagon River Middle Branch Bridge

Photo taken by C Hanchey in August 2011

Enlarge

BH Photo #208188

Map 

Facts 

Overview
Steel arch bridge over Middle Branch Ontonagon River on M-28
Location
Ontonagon County, Michigan
Status
Open to traffic
History
Built 1930 by Meads & Anderson; rehabilitated 1992
Builder
- Meads & Anderson
Design
Steel arch
Dimensions
Length of largest span: 149.9 ft.
Total length: 192.9 ft.
Deck width: 32.2 ft.
Approximate latitude, longitude
+46.47933, -89.09050   (decimal degrees)
46°28'46" N, 89°05'26" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/339533/5149430 (zone/easting/northing)
Quadrangle map:
Trout Creek
Inventory numbers
MINBI 66166023000B010 (Michigan bridge number on the National Bridge Inventory 2010 and before)
MINEW 08491 (Michigan bridge number on the National Bridge Inventory 2011 and later)
BH 20191 (Bridgehunter.com ID)
Inspection (as of 08/2008)
Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Fair (5 out of 9)
Sufficiency rating: 55.2 (out of 100)
Average daily traffic (as of 2007)
2,303

Update Log 

  • August 9, 2011: Updated by C Hanchey: added bridge builder

Sources 

Comments 

Ontonagon River Middle Branch Bridge
Posted August 10, 2011, by Andy

This bridge = awesome

Ontonagon River Middle Branch Bridge
Posted August 9, 2011, by Tony Dillon (spansaver [at] hotmail [dot] com)

Very unique!