The McKees Rocks Bridge will fully close on Tuesday for crews to install an overhead sign.
The bridge will close from 9 a.m. to 3 p.m. It could open sooner if work is completed.
The closure was initially planned for two weeks ago but was postponed due to weather.
Posted Detour from PennDOT:
Route 51 to Route 65
- From the intersection of Route 51 (Island Avenue) and the McKees Rocks Bridge, continue southbound on Route 51
- Turn left on Chartiers Ave/Linden Street
- Turn left on Stanhope Street
- Turn right onto Route 51 (West Carson Street)
- Continue left, following signs for southbound Route 19/Route 51/westbound I-376
- Bear right onto Steuben Street
- Follow signs for southbound Route 19/Route 51/westbound I-376
- Bear left onto South Main Street
- Continue in the middle lane and follow signs for northbound West End Bridge/North Shore/I-279/Route 19
- Bear left to the West End Circle, then quickly bear right onto the West End Bridge
- Cross the West End Bridge
- Turn left onto northbound Route 65 (Ohio River Boulevard)/Chateau Street
- Bear left to stay on northbound Route 65 (Ohio River Boulevard)
- End Detour
Route 65 to Route 51
- From the intersection of Route 65 (Ohio River Boulevard) and the McKees Rocks Bridge, continue southbound on Route 65
- Take the ramp to Route 19/Route 51/West End Bridge
- Cross the West End Bridge
- Turn right onto northbound Route 51 (West Carson Street)
- Turn left on Stanhope Street
- Turn right on Linden Street
- Turn right on Route 51 (Island Avenue)
- End Detour
Drivers using the bridge from the Helen Street ramps should use Robb Street, River Road and Route 51, then follow the above detours.
PennDOT said a flagger will be stationed at the on-ramp from Helen Street towards Route 51 to allow access of emergency vehicles and PRT buses, as needed, during the closure.
The work is part of a $38.6 million bridge preservation project.
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