Rating:
3 votes
Four Bears Bridge
Facts
- Overview
- Lost cantilevered through and deck truss bridge over Lake Sakakawea (Missouri River) on ND 23 near New Town
- Location
- Mountrail County, North Dakota, and McKenzie County, North Dakota
- Status
- Replaced by modern concrete deck girder bridge
- History
- Built 1954; replaced 2005
- Design
- Cantilevered through truss
- Dimensions
-
Length of largest span: 475.1 ft.
Total length: 4,483.2 ft. (0.8 mi.)
Deck width: 20.0 ft.
Vertical clearance above deck: 13.2 ft.
- Approximate latitude, longitude
- +47.98167, -102.55667 (decimal degrees)
47°58'54" N, 102°33'24" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 13/682320/5317151 (zone/easting/northing)
- Quadrangle map:
- Sanish
- Average daily traffic (as of 2017)
- 5,070
- Inventory numbers
- ND 23-046-203 (North Dakota bridge number)
BH 23537 (Bridgehunter.com ID) - Inspection report (as of November 2017)
- Overall condition: Good
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Very Good (8 out of 9)
Sufficiency rating: 79 (out of 100)
View more at BridgeReports.com
Update Log
- March 26, 2014: New Street View added by Dave King
- November 28, 2005: Posted photos from Jason Smith
Related Bridges
- Four Bears Bridge (Original) (Parts reused from) - Main span moved and installed
Sources
- Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com
- Dave King - DKinghawkfan [at] hotmail [dot] com
- Building Four Bears Bridge – Ghosts of North Dakota
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This page's URL is http://bridgehunter.com/nd/mountrail/four-bears/
This page's URL is http://bridgehunter.com/nd/mountrail/four-bears/
A steel cantilever bridge replaced with a concrete segmental box-girder, which are built using cantilevers. Technology may live on but material choices don't!