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I-10 Pontchartrain Bridge

Map 

Video 

I-10 (Twin Spans)

An update on the I-10 Twin Spans Causeway over Lake Pontchartrain.

Video posted by Bryant5493

Play video on YouTube

Facts 

Overview
Steel stringer bridge over Lake Pontchartrain on Interstate 10
Location
New Orleans, Orleans Parish, Louisiana
History
Built 1963. Heavily damaged by Hurricane Katrina in 2005. Repaired 2006 with Bailey Pony Truss sections added to westbound span. Traffic routed to new span in 2010.
Design
Steel stringer
Bailey pony truss (westbound bridge repairs after Hurricane Katrina)
Dimensions
Length of largest span: 200.1 ft.
Total length: 28,546.3 ft. (5.4 mi.)
Deck width: 40.0 ft.
Also called
Twin Spans (official name)
Approximate latitude, longitude
+30.15583, -89.85306   (decimal degrees)
30°09'21" N, 89°51'11" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/225203/3339491 (zone/easting/northing)
Quadrangle map:
North Shore
Inventory number
BH 46095 (Bridgehunter.com ID)
Inspection (as of 10/2008)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 49.0 (out of 100)
Average daily traffic (as of 2008)
30,240

Update Log 

  • May 2, 2014: Updated by Brad Smith: Added category "Interstate 10"
  • February 6, 2011: Updated by Kim Harvey: bridge no longer in use, official name
  • September 10, 2010: Updated by Cliff Darby: Updated Status
  • September 7, 2010: Added by Cliff Darby

Sources