Rating:
2 votes

Bayou Manchac LA 73 Bridge

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Photos 

Map 

Street View 

Facts 

Overview
Pony truss bridge over Bayou Manchac on LA 73
Location
Ascension Parish, East Baton Rouge Parish, Louisiana, and Ascension Parish, Louisiana
Status
Open to traffic
History
Built 1931
Design
Polygonal Warren pony truss
Dimensions
Length of largest span: 82.0 ft.
Total length: 325.0 ft.
Deck width: 23.9 ft.
Approximate latitude, longitude
+30.34422, -90.98328   (decimal degrees)
30°20'39" N, 90°58'60" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/693853/3358652 (zone/easting/northing)
Quadrangle map:
Prairieville
Inventory number
BH 19001 (Bridgehunter.com ID)
Inspection (as of 08/2015)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 34.2 (out of 100)
Average daily traffic (as of 2015)
12,600

Update Log 

  • August 1, 2013: New photos from M. D. Caillet
  • June 30, 2013: New photo from Jared Mixson
  • December 8, 2012: Updated by Jared Mixson: Added category "Jefferson Highway"
  • June 7, 2010: Updated by Cliff Darby: Refined GPS

Sources 

  • Cliff Darby - clif30 [at] hotmail [dot] com
  • Jared Mixson