Historic Bridges
of the United States
Portage Lake Bridge
Houghton County
,
Michigan
Overview
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Terraserver USA
Facts
Overview
Vertical lift bridge over Portage Lake on US 41 in Hancock
Location
Houghton County
,
Michigan
Status
Open to traffic
History
Built 1960
Design
Vertical lift
Dimensions
Length of largest span: 269.0 ft.
Total length: 1,310.1 ft.
Deck width: 53.8 ft.
Vertical clearance above deck: 14.2 ft.
Recognition
Posted to the National Register of Historic Places
Approximate latitude, longitude
+47.12278, -88.57278
(decimal degrees)
47°07'22" N, 88°34'22" W
(degrees°minutes'seconds")
Approximate UTM coordinates
16/380703/5220008
(zone/easting/northing)
USGS topographic map
Chassell
Inventory number
BH 20056
(Bridgehunter.com ID)
Inspection
Average daily traffic
(as of 1996)
1,800
Categories
Built 1960
(95)
Built during 1960s
(699)
Houghton County, Michigan
(3)
Michigan
(432)
Movable
(858)
NR-listed
(1,520)
Open
(21,823)
Owned by state
(6,645)
Span length 250-500 feet
(587)
Total length 1000-2500 feet
(715)
US 41
(25)
Vertical lift
(180)
Comments
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