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Morganza Floodway Bridge

Photos 

Map 

Street View 

Video 

Flood of 2011 in Lousiana. The Morganza Spillway at Hwy 190 Four Mile Bridge

99% of the time it's dry land under the bridge. However, about every 40 years during a big flood on the Mississippi, they open up the Morganza.

Video posted by Jared Mixson

Play video on YouTube

Facts 

Overview
Concrete tee beam bridge over Morganza Floodway on US-190
Location
Pointe Coupee Parish, Louisiana
Status
Open to traffic
History
Built 1945
Design
Concrete tee beam
Dimensions
Length of largest span: 41.0 ft.
Total length: 18,778.8 ft. (3.6 mi.)
Deck width: 47.9 ft.
Also called
Four Mile Bridge
Approximate latitude, longitude
+30.55462, -91.68789   (decimal degrees)
30°33'17" N, 91°41'16" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/625846/3380977 (zone/easting/northing)
Quadrangle map:
Lottie
Inventory number
BH 53619 (Bridgehunter.com ID)
Inspection (as of 11/2015)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 74.2 (out of 100)
Average daily traffic (as of 2015)
12,400

Update Log 

  • May 30, 2013: New photos from M. D. Caillet
  • September 24, 2012: Added by Jared Mixson

Sources 

  • Jared Mixson

Comments 

Morganza Floodway Bridge
Posted April 23, 2015, by Lesa Brose (lesabrose [at] yahoo [dot] com )

Does anyone know who the builder of this bridge was? I believe my grandfather worked on this bridge during the 1940's. The construction company owners last name may have been Walker? Thanks.