New Chain of Rocks Bridge
Photos
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eastbound approach on missouri end Photo taken by Kim Harvey in July 2008 |
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crossing eastbound Photo taken by Kim Harvey in July 2008 |
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crossing eastbound Photo taken by Kim Harvey in July 2008 |
Facts
- Overview
- Bridge over Mississippi River on I 270
- Status
- Open to traffic
- History
- Built 1966
- Dimensions
-
Length of largest span: 242.1 ft.
Total length: 5,411.4 ft.
Deck width: 54.1 ft.
- Also called
- 270 Mississippi River Bridge
Chain of Rocks Bridge - Approximate latitude, longitude
- +38.76417, -90.17222 (decimal degrees)
38°45'51" N, 90°10'20" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 15/745694/4294404 (zone/easting/northing)
- USGS topographic map
- Columbia Bottom
- Inventory number
- BH 36589 (Bridgehunter.com ID)
- Inspection (as of 11/2007)
- Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 41.0 (out of 100) - Average daily traffic (as of 2007)
- 54,700
Update Log
- July 4, 2008: New photos from Kim Harvey
- June 26, 2008: Updated by Kim Harvey
- June 25, 2008: Updated by Kim Harvey
- May 1, 2008: Added by David B. Haun
Sources
- David B. Haun - dbhaun [at] gmail [dot] com
- Kim Harvey - ayrlieofremora [at] yahoo [dot] com
- John Weeks
- Google Street
Comments
New Chair of Rocks Bridge
http://www.johnweeks.com/upper_mississippi/pagesC/umissC01a.html has a good write up