Bridgehunter.com | I-10 Pontchartrain Bridge

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I-10 (Twin Spans)

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

Video posted by Bryant5493

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)
USGS topographic 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