REHABILITATION OF
ANACOSTIA FREEWAY BRIDGES
OVER SOUTH CAPITOL STREET
REHABILITATION OF
ANACOSTIA FREEWAY BRIDGES
OVER SOUTH CAPITOL STREET
SEPTEMBER 2020
Sunday, September 20, 2020 – Saturday, September 26, 2020
(Phase 3 Activity):
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Installation of CIP downspouts in spans 2, 3 and 4, at the north and south bridge.
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Prepping the deck surface for latex modified overly along the south bridge.
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Demolition of barrier at the west approach of the south bridge.
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Touch-up painting on pedestrian railings and existing railings at spans 5 and 6.
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Demolition of existing sidewalk at the east approach slab ramp C of the south bridge.
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Stripping of the overhang brackets and formwork in span 14 and installation of railings.
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Stripping and removing the overhang brackets and formwork from spans 13 and 14, at the south bridge.
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Type 1 concrete repair on south bridge median barrier, in spans 6, 12 and 14, at the south bridge,
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Removing and relocating materials, equipment and storage containers from the east side spans.
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Chipping the remaining concrete from the original F-Shape barrier on the SW side of the south bridge.
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Stripping and removing the formwork from the proposed deck drain scuppers in spans 13 and 14, at the south bridge.
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Resetting existing bridge railing and historic railing in span 14, at the south bridge.
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Deck surface prepping for overlay continued.
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Removal of the over-hung brackets and bridge sidewalk forms at span 13.
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Graded area for proposed approach slab and sleeper pad at east-bound, east abutment.
Sunday, September 13, 2020 – Saturday, September 19, 2020
(Phase 3 Activity):
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Prepping surface for the latex concrete overlay, installing pedestrian and historic railing.
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Construction of proposed sleeper slab at Ramp C and heat straightening at the west approach.
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Installation of the proposed epoxy coated reinforcing steel for the proposed east approach slab, Ramp C bridge and span 14 sidewalk.
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Heat straightening operation on the existing south fascia girder, span 14, at the south bridge.
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Deck surface prepping, pedestrian and historic bridge installation stripping overhang platform, median barrier repair and joint reconstruction.
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Stripping of the seal joint reconstruction at pier 14, at the south bridge.
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Installation of the epoxy coated reinforcing steel for the proposed bridge sidewalk in span 15, at the south bridge.
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Removal of the remaining portion of the existing armor joint at pier 14 at the south bridge.
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Completed heating, straightening and bolting the new bottom flange angle to the existing south fascia girder in span 14, at the south bridge.
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Stripping and removing overhang brackets and formwork from the bridge sidewalk in span 12, at the south bridge.
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Placement of latex modified concrete overlay in spans 4 and 5.
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Chipping and removing excess concrete from joints located at piers 2 and 3.
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Hand chipping the existing deck slab on both side of the joint.
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Installation of new attenuator and replacing the damaged attenuator.
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Installation of epoxy coated rebars at span 15, at the south bridge.
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Installation of pedestrian and historic railing.
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Placement of concrete for strip seal joint at pier 14 and historic railing pockets between spans 8 and 10.
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Prepping deck surface for latex modified concrete overlay.
Sunday, September 6, 2020 – Saturday, September 12, 2020
(Phase 3 Activity):
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Stripping and removing the curing protection from the latex modified concrete (LMC) in spans 8 and 9, at the south bridge.
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Demolition of the existing deck slab at the east abutment Ramp C bridge for the removal of the existing armor joint and Ramp C sleeper slab.
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Resetting existing railing, installing historic railing and repairing south bridge median barrier.
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Reconstruction of sidewalk, deck surface and surface prepping for latex modified concrete (LMC) overlay.
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Installation of the epoxy rebars for span 13 sidewalk and blister.
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Removal of the existing armor joint at the east abutment Ramp C bridge and started strip seal joint, at the same location.
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Completion of the existing deck slab removal for the proposed bridge scupper in span 15.
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Continued the heat straightening operation on the existing south fascia girder span 1, at the south bridge.
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Installation of the proposed strip seal joint at the east abutment Ramp C bridge.
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Forming the underside of the bridge deck and the strip seal joint for joint reconstruction.
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Installation of the epoxy coated reinforcing steel for the proposed bridge scupper and manhole in span 15.
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Installation of epoxy coated rebar for the steeper slab.
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Installation of latex modified concrete (LMC) overlay was performed.
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Stripping and removing the formwork from the east approach sleeper slab.
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Placement of compound chromic acid (CR-6) and compacting the material on the sides of the sleeper.
Sunday, August 30, 2020 – Saturday, September 5, 2020
(Phase 3 Activity):
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Placement of relocated deck drain scuppers in span 13 and repairing the median barrier at the south bridge.
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Prepping surface for latex modified concrete (LMC) for resetting pedestrian railing and historic railing.
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Completed the setting of historical rail thru span 9 and existing railing.
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Installation of epoxy coated rebar for scupper.
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Removal of the bottom flange of the existing south fascia girder in span 1 at the south bridge for heat straightening.
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Continued heat straightening, surface prepping for latex modified concrete (LMC), resetting pedestrian railing and historic railing,
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Reconstructing the scuppers and strip seal joints, backfilling at Ramp C approach and completion of deck repair.
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Placement and completion of lightweight concrete for a portion of the proposed strip seal joint at pier 14, Ramp C bridge.
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Completion of south bridge repair, median barrier and historic rail blockouts in spans 4-7, at the south bridge.
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Installing the reinforcing steel for the proposed bridge sidewalk and overhead sign structure blister in span 13.
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Placement and completion of the latex modified concrete (LMC) for the proposed deck slabs in spans 8 and 9, at the south bridge.