Rating:
4 votes

I-10 Twin Span 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

Description 

The spans were heavily damaged by Hurricane Katrina in 2005. They were repaired in 2006 with Bailey pony truss sections added to westbound span.

Facts 

Overview
Steel stringer bridge over Lake Pontchartrain on I-10
Location
New Orleans, Orleans Parish, Louisiana, and St. Tammany Parish, Louisiana
Status
Replaced by a new bridge
History
Built 1965; rehabilitated 2006 after being damaged by Hurricane Katrina; replaced 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.
Approximate latitude, longitude
+30.18128, -89.82499   (decimal degrees)
30°10'53" N, 89°49'30" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/227978/3342246 (zone/easting/northing)
Quadrangle map:
North Shore
Average daily traffic (as of 2009)
28,800
Inventory number
BH 46095 (Bridgehunter.com ID)
Inspection report (as of October 2008)
Overall condition: Poor
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Poor (4 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 49 (out of 100)
View more at BridgeReports.com

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