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Bayou Black Bridge

Terrebonne Parish, Louisiana

Photos 

Black Bayou Bridge

Tech Drawing From Douglas Butler: Note the drawing has a nice color to it of a former lift bridge that was hand operated, the towers counterweight and machinery is removed.

Photo taken by Douglas Butler in January 2020

License: Creative Commons Attribution-Share-Alike (CC BY-SA)

Enlarge

BH Photo #490112

Map 

Street View 

Description 

Vertical lift bridge with towers removed.

Facts 

Overview
Warren deck truss bridge over Bayou Black on La0182
Location
Terrebonne Parish, Louisiana
Status
Open to traffic
History
Built 1946
Design
Warren deck truss
Dimensions
Length of largest span: 61.0 ft.
Total length: 189.0 ft.
Deck width: 24.0 ft.
Approximate latitude, longitude
+29.68472, -90.99833   (decimal degrees)
29°41'05" N, 90°59'54" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/693683/3285526 (zone/easting/northing)
Quadrangle map:
Gibson
Average daily traffic (as of 2016)
3,100
Inventory number
BH 50905 (Bridgehunter.com ID)
Inspection report (as of August 2017)
Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 27.5 (out of 100)
View more at BridgeReports.com

Categories 

Built 1946 (211)
Built during 1940s (4,233)
Deck truss (1,924)
Have street view (28,893)
Louisiana (728)
Movable (3,114)
Open (40,968)
Owned by state (16,553)
 Span length 50-75 feet (10,419)
Terrebonne Parish, Louisiana (42)
Total length 175-250 feet (4,474)
Truss (35,414)
Vertical lift (428)
Warren deck truss (667)
Warren truss (6,998)

Update Log 

  • February 8, 2021: New photo from James Rhed
  • February 6, 2021: New photo from Douglas Butler
  • September 9, 2020: Updated by Nathan Holth: Refined bridge type.
  • January 13, 2012: New Street View added by Cliff Darby
  • January 12, 2012: Added by Nathan Holth

Sources 

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Comments 

Bayou Black Bridge
Posted September 9, 2020, by Nathan Holth (webmaster [at] historicbridges [dot] org)

I was able to secure plans for this bridge via a FOIA request and these plans revealed the original vertical lift towers that this bridge once had. I have updated the type on this page. Full coverage at https://historicbridges.org/bridges/browser/?bridgebrowser=l...