REPLACEMENT BRIDGE UPDATES
PHASES OF CONSTRUCTION FOR THE NEW BELLE CHASSE BRIDGE
UPCOMING BRIDGE CONSTRUCTION ACTIVITY
SOUTH SIDE OF THE NEW BRIDGE
- 1st Deck placement – Spans 20-21 – occurred 2/2423 – 2/25/23 . Spans 17-19 Deck placed 3/3/23 -3/4/23 with Spans 15-16 deck placement scheduled for week of 5/1/23. Pile driving on South side Bents 22-25 started 4/26/23 with Bent 24. Pile driving continues for 4-6 weeks.
- Span 15 through Span 21 girders set 7/12/22 through 8/19/22. Deck construction started week of 7/25/22 with shear key and diaphragm construction and continues with setting precast panels in Spans 15-21. Setting overhangs began after Labor Day.
- Deck construction started week of 1/9/23. First deck pour (Spans 6-7) completed 3/30, Spans 8-9 completed 4/11 with Spans 10-11 deck pour to follow in May 2023.
NORTH SIDE OF THE NEW BRIDGE
- First deck pour (Spans 6-7) completed 3/30/23
- Spans 8-9 completed 4/11/23 with Spans 10-11 deck pour to follow in May.
- Spans 8-9 to be placed the week of 4/10/23.
- Spans 11-6 girders set 9/19/22 through 11/4/22 followed by precast panel installation. Diaphragm and shear key construction continues. Deck construction started week of 1/9/23.
WORK IN THE GIWW
- 1st pair of structural steel girders erected 2/24/23 and last pair erected 4/19/23. Installation of diaphragms and final bolt up continues for the next 3 weeks.
- Span 13 girders erected and erection continues into Span 12 starting 4/13/23.
- Bridge closures to set structural steel girders scheduled for Span 12 in weeks of 4/17/23 and 4/24/23.
- Structural steel girders scheduled for Span 12 in weeks of 4/10/23, 4/17/23 and 4/24/23.
- Removing cofferdam sheets finished 11/22/22. Template was removed 11/28/22. Column construction started 11/28/22. P2 Columns placed 12/7/22. P2 Cap placed 1/6/23. Placing P2 risers 1/26/23.
ALGIERS OUTFALL CANAL BRIDGE
- Deck placements started week of 3/20/23 and continues. Barrier rail installation and crack repairs to follow deck placement.
- Phase 1B pavement has begun and continues as LA 23 Spur Track is removed. Paving after Spur Track removal 4/4/23 – 4/7/23.
- Traffic shift to Phase 1C occurred 4/13/2023. Excavation, subbase and base work is ongoing for Phase 1C east of LA 23. Wick drains for the North MSE walls were completed 4/25/23 and MSE wall installation follows.
- Cap construction began 6/9/22 on the south side and has moved to the north side. Decks have been completed. Approach work and barriers finished up in November. Phase 1B shifted 1/19/23 through 1/20/23.
LA 23 ROADWAY & ENGINEERS ROAD
- Phase 1C traffic shift occurred 4/13/23.
- Traffic shift for LA 23 southbound lanes completed 8/10/22. Phase 1A drainage construction is complete, and roadway work started the week of 10/10/22. Phase 1A paving started 1/11/23 and continues throughout the week. Phase 1B traffic shifted 1/19/23 – 1/20/23. Phase 1B drainage and roadwork in the median started 1/20/23.
LA 23 ROADWAY SOUTH OF GIWW
- Excavation and base work for detour road paving started 12/19/22. Asphalt paving occurred 2/24/23 – 2/27/23 with the Phase 1D southbound traffic switch on the south side of the bridge occurring 3/1/23 – 3/2/23.
- Northbound Phase 1D traffic switch occurred 3/15/23 – 3/16/23.
- Excavation and construction of South MSE Walls started 3/20/23, North MSE Walls started 4/14/23 and continues.
- Upcoming traffic shift to Phase 1C will occur 4/13/23 to 4/14/23
LOCAL ROADS
- Railroad Street reopened 2/8/23.
- Railroad Street extension construction has completed curb & gutter and base installation. Asphalt paving started 1/11/23 and completed 1/18/23. Striping, signing and reopening the road to follow.
TUNNEL DECOMMISSIONING (CLOSING) COMING IN AUGUST 2023
- Preliminary information signs for the public were installed 4/19/23.
- Bike and Pedestrian Access through the Tunnel will close 5/20/23.
UTILITIES
- Entergy south side temporary relocations started 2/28/23 along the east side on LA 23 and completed 4/25/23.
- Entergy south side permanent relocations will continue from April to June 2023.
- Entergy, AT&T, and Cox relocations continue along LA 23 and on local cross streets and adjacent streets throughout the project. Atmos completed relocations on north side and finished relocations on south side 9/26/22. Atmos completed south side relocations week of 9/26/22. PPG water line relocation started 12/12/22 and continues from P Street to Dr Bowen Street and Barriere Rd.