Early works (late 2020 – June 2021)
Progress of project design
- Currently 70% design
Investigation works
- Underground service locating
Coordination with utility services
- SA Water, SA Power Networks (SAPN), Telstra, NBN, APA Gas
Site clearance
- Removal of earth material
- Building demolition
- Vegetation removal and palm tree relocation
Temporary site fencing installation
- Site compound set-up
- Around construction areas
Pedestrian and cyclist impacts (until end of Project)
- Torrens Road (northern side) footpath, between Exeter Terrace and Napier Street closed
- Exeter Terrace footpath, between Torrens Road and McEwin Street closed
- Torrens Road (northern side) footpath, between Devonport Terrace and Churchill Road closed
- Pedestrian rail crossing directly adjacent Torrens Road (northern side) closed for Gawler Rail Electrification Project (GREP) works
- Pedestrian road crossing on Torrens Road, near Devonport Terrace closed
SA Water main relocations:
- Devonport Terrace and Exeter Terrace
- Torrens Road, between Chief Street and Gilbert Street
Site compounds
- Set-up offices and access gates for construction areas
Early piling works for offline bridge construction
- Preparation works
- Construction of piling pads
- Pilling rig mobilisation
- Continuous Flight Auger Piling commences
Minor civil roadworks
- Preparation works for Traffic Switch 1
- Removal of road median along Torrens Road and Churchill Road
- Realignment of existing road lanes
- Installation of temporary traffic signals to prepare for Traffic Switch 1
Bus stop changes
- Permanent closure of Bus Stop 8 Torrens Road North
SAPN stobie pole removals
- Torren Road, between Hayman Street and Wattle Street
- Exeter Terrace, south of McEwin Street
Ongoing traffic management- lane and speed restrictions, side road closures and detours.
Stage 1 - Offline construction of the bridge (third quarter 2021 – first quarter 2022)
SA Water main relocations:
- Torrens Road, between Wattle Street and Drayton Street
- Torrens Road, between Chief Street and Gilbert Street
- Churchill Road, between Torrens Road and Avenue Road
Traffic Switch 1
- Remove right turn movement from Churchill Road onto Torrens Road
- Remove left turn movement from Torrens Road onto Churchill Road
Commence offline bridge works
- Construction of bridge columns
- Construction of approach ramps
- Installation of bridge beams
- Installation of bridge deck
Civil roadworks
- Including pavements, kerbing, road median and temporary line marking
Rail works
- Modify overhead gantry and wiring works
- Construction of gantry in a new location, to enable bridge construction
- Removal of redundant gantry
Churchill Road roadworks - western side
- Widening and elevation of the intersection
- Construction of new pavement
Pedestrian passive and activated road crossings
- Churchill Road, south of Avenue Road passive road crossing opened (prior to Traffic Switch 1)
- Torrens Road and Churchill Road, near Guthrie Street activated road crossing closed
- Churchill Road, south of Guthrie Street activated road crossing opened
Pedestrian rail crossings
- Southern pedestrian access to Ovingham Railway Station remains closed once GREP works are complete, to enable bridge works
- New northern rail crossing remains open
Bus changes
- Bus Stop 8 Churchill Road (west side) to be shifted further north, near Avenue Road b
- Bus Stop 8 Torrens Road (south-west side) to be shifted to outside 35 Torrens Road
The Project will work closely with GREP to coordinate and minimise public transport service impacts
Pedestrian and cyclist detours remain in place
Ongoing traffic management- lane and speed restrictions, side road closures and detours and a weekend of major traffic restrictions
Rail service impacts (weekends and night closures), substitute bus services in place (Gawler Rail Electrification Project (GREP))
Stage 2 – Reconfiguration of Torrens Road and Churchill Road intersection (first quarter 2022)
Traffic Switch 2
- Realign traffic along Churchill Road
Churchill Road construction works - eastern side
- Widening and elevation of the intersection
- Construction of new pavement
Completion of offline bridge works, in preparation for Stage 3
- Construction of approach ramp
- Bridge fit out
- Installation of permanent traffic signals and road signage
Civil roadworks
- Pavements, kerbing, road median and temporary line marking
Commence landscaping works
- Detention basins
- Footpath
- Excavate and level out earth material for playground and activated area under bridge
- Irrigation
Staged testing and commissioning
- SAPN bridge lighting
- Traffic signals
Bus changes
- Stop 8 Churchill Road (west side) install in final position
- Stop 8 Churchill Road (east side) relocate further north
Pedestrian and cyclist detours remain in place
Ongoing traffic management- lane and speed restrictions, side road closures and detours and a weekend of major traffic restrictions
Rail service impacts (weekends and night closures), substitute bus services in place (GREP)
Stage 3 – Partial opening of bridge to traffic (Second quarter - June 2022)
Traffic Switch 3
- Realign traffic onto new bridge
Complete bridge ramp construction
- Completion of approach ramp
- Bridge fit-out
- Installation of permanent traffic signals and road signage
Finish off road signage
- Static signage
Surface roads construction
- Torrens Road, between Guthrie Street and Chief Street (both sides of Torrens Road)
Civil roadworks
- Along Torrens Road, between Park Terrace and Wattle Street
- Pavements, kerbing, road median and permanent line marking
Level Crossing removal (Easter long weekend)
- Removal of asphalt on Australian Rail Track Corporation (ARTC) track
- Recondition Adelaide Metropolitan Passenger Rail Network (AMPRN) track
- Update rail signalling
Testing and commissioning
- Local council lighting
- Rail signalling
Continue landscaping works
- Tree, shrub and grass planting
- Mulch and footpaths
Community activation and public artwork
- Completion of playground and activated area under bridge
- Installation of public artwork
Bus changes
- Adelaide Metro routes 230, 232, A016, 951 (school bus) realigned to bridge
- Open Stop 8 Churchill Road (east side)
- Open Stop 8 Churchill Road (west side)
All bus stops in permanent locations
Pedestrian and cyclist detours remain in place
Ongoing traffic management- lane and speed restrictions, side road closures and detours
Rail service impacts (weekends and night closures), substitute bus services in place (GREP)
Stage 4 – Full opening of bridge to traffic (third quarter 2022 – March 2023)
Bridge fully operational
- Realign traffic onto new ramps and bridge
Complete road median works along bridge
Surface roads construction
- Torrens Road, between Guthrie Street and Chief Street (both sides of Torrens Road)
Civil roadworks complete
Landscaping works complete
Community activation and public artwork complete
Demobilisation of site compounds
PROJECT COMPLETION
Ongoing traffic management- lane and speed restrictions, side road closures and detours.