Rating:
36588
{0}%
No votes cast
I-270 Chain of Rocks Bridge
Photos
New Chain of Rocks Bridge
July 8, 1965
Missouri State Archives
Enlarge
BH Photo #451476
Description
Historic US 66 is now routed across this bridge to keep it a continuous route. The old bridge to the south carried US 66 from 1936-1955 and Bypass 66 from 1955-1965.
Facts
- Overview
- Steel stringer bridge over Mississippi River on I 270 in St. Louis
- Location
- St. Louis, Missouri, and Madison County, Illinois
- Status
- Open to traffic
- History
- Opened September 2, 1966
- Design
- Girder
- Dimensions
-
Length of largest span: 242.5 ft.
Total length: 5,411.4 ft. (1.0 mi.)
Deck width: 54.1 ft.
- Approximate latitude, longitude
- +38.76449, -90.17353 (decimal degrees)
38°45'52" N, 90°10'25" W (degrees°minutes'seconds")
- Approximate UTM coordinates
- 15/745580/4294436 (zone/easting/northing)
- Quadrangle map:
- Columbia Bottom
- Land survey
- T. 47 N., R. 7 E., Sec. 36
- Average daily traffic (as of 2017)
- 59,788
- Inventory numbers
- MONBI 643 (Missouri bridge number on the National Bridge Inventory)
BH 36588 (Bridgehunter.com ID)
- Inspection report (as of June 2017)
- Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Fair (5 out of 9)
Sufficiency rating: 66 (out of 100)
View more at BridgeReports.com
Update Log
- July 3, 2019: New photos from Joe Sonderman
- June 25, 2008: Updated by Kim Harvey
- May 1, 2008: Added by David B. Haun