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Old Pass Manchac Bridge (1926)

Photo 

Pass Manchac Bridge (April 1927)

The first highway bridge across Pass Manchac as it appeared shortly after its opening in April 1927.

New Orleans Item, April 6, 1927, p. 21

BH Photo #466679

Description 

The first bridge constructed across Pass Manchac on the New Orleans-Hammond Lakeshore Highway, a scenic route around Lake Pontchartrain that was never fully realized. The bridge was completed around August 1926 at a cost of $168,300. It opened to traffic on April 1, 1927 once the Frenier-Ponchatoula section of the highway was completed. It served as US 51 until a new bridge was built immediately to the west in 1957, aligned with an entirely new roadbed.

The 1926 bridge was then closed to traffic and used as a fishing pier until being destroyed by two fires in July and October 1969. The timber pilings can still be seen alongside the 1957 bridge (itself bypassed by the four-lane I-55 bridge in 1979), and the original US 51 roadbed exists in an abandoned state alongside what is now Old US 51.

Facts 

Overview
Lost Bridge over Pass Manchac on Old US 51
Location
St. John the Baptist Parish, Louisiana, and Tangipahoa Parish, Louisiana
Status
Destroyed by fire
History
Built 1926; closed to traffic 1957; destroyed by fire 1969
Builder
- Austin Bridge Co. of Dallas, Texas/Atlanta, Georgia
Design
Timber bridge with steel draw span
Dimensions
Total length: 3,000.0 ft. (0.6 mi.)
Approximate latitude, longitude
+30.28509, -90.40087   (decimal degrees)
30°17'06" N, 90°24'03" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/750003/3353237 (zone/easting/northing)
Inventory number
BH 88396 (Bridgehunter.com ID)

Update Log 

  • February 29, 2020: New photo from Roger Collins

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