2 votes

Atchafalaya River LA 1 Bridge


North/Westbound approach on hwy. 418 in Legonier, LA

Photo taken by John T. Dauzat


BH Photo #164182


Street View 


Cantilevered Warren through truss bridge over Atchafalaya River on LA 1 at Simmesport in Simmesport
Avoyelles Parish, Louisiana, and Pointe Coupee Parish, Louisiana
Open to traffic
Built 1971
Warren through truss with all verticals
Length of largest span: 299.7 ft.
Total length: 3,956.0 ft. (0.7 mi.)
Deck width: 29.8 ft.
Vertical clearance above deck: 18.7 ft.
Approximate latitude, longitude
+30.97740, -91.80280   (decimal degrees)
30°58'39" N, 91°48'10" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/614323/3427711 (zone/easting/northing)
Quadrangle map:
Average daily traffic (as of 2015)
Inventory number
BH 18974 (Bridgehunter.com ID)
Inspection report (as of May 2017)
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: 56 (out of 100)
View more at BridgeReports.com

Update Log 

  • May 30, 2013: New photo from M. D. Caillet
  • May 19, 2010: New Street View added by Cliff Darby
  • May 5, 2010: New photos from John T. Dauzat


  • John T. Dauzat - jtdauzat [at] yahoo [dot] com
  • Cliff Darby - clif30 [at] hotmail [dot] com


Atchafalaya River LA 1 Bridge
Posted June 20, 2017, by daniel purpera (danielpurper10 [at] gmail [dot] com)

the dude who asked how far the water is from the deck is not bright because the water level changes

Atchafalaya River LA 1 Bridge
Posted October 1, 2010, by Bobbie (byoung37 [at] cox [dot] net)

How high is this bridge from the water to the deck? I am not fond of extremely elevated bridges. Could you tell me how long it will take to cross this bridge.

Atchafalaya River LA 1 Bridge
Posted February 4, 2010, by Cliff D (clif30 [at] hotmail [dot] com)

These GPS coordinates are inaccurate... they center on the railroad bridge to the norht of the LA 1 bridge.