Rating:
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Atchafalaya Basin Bridge

St. Martin Parish, Louisiana

Photos 

Atchafalaya Basin Bridge

Looking West near Atchafalaya River

Photo taken by Royce and Bobette Haley in May 2014

Enlarge

BH Photo #317980

Map 

Street View 

Description 

These twin bridges span the entire Atchafalaya Basin. Built in the early 1970s, these bridges are two of the longest, and most-heavily traversed bridges in the state of Louisiana. NBI has them broken into 4-mile segments; the length in feet is approximate for the entire structure.

Facts 

Overview
Pair of 16+ mile bridges over the Atchafalaya Basin on I-10
Location
St. Martin Parish, Louisiana
Status
Open to traffic
History
Built 1971
Design
Stringer
Dimensions
Total length: 85,000.0 ft. (16.1 mi.)
Deck width: 40.0 ft.
Approximate latitude, longitude
+30.33230, -91.75897   (decimal degrees)
30°19'56" N, 91°45'32" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/619297/3356260 (zone/easting/northing)
Quadrangle map:
Cecilia
Average daily traffic (as of 2015)
30,420
Inventory number
BH 46720 (Bridgehunter.com ID)
Inspection report (as of September 2016)
Overall condition: Fair
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 91.5 (out of 100)
View more at BridgeReports.com

Categories 

Beam (13,502)
Built 1971 (89)
Built during 1970s (810)
Have street view (24,493)
Interstate 10 (17)
Louisiana (667)
 Open (37,856)
Over a mile long (258)
Owned by state (14,554)
St. Martin Parish, Louisiana (17)
Total length over 2500 feet (794)

Update Log 

  • March 14, 2015: New photos from Royce and Bobette Haley
  • October 29, 2010: Updated by Cliff Darby: Edited Description
  • October 28, 2010: Updated by Cliff Darby: Updated Information

Sources 

  • Cliff Darby - clif30 [at] hotmail [dot] com
  • Wikipedia
  • Royce and Bobette Haley - roycehaley111 [at] yahoo [dot] com

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