
The McKeesport-Duquesne Bridge is about to make life a lot more complicated for Mon Valley drivers. The span will close to vehicle traffic beginning Saturday, March 14 at 10 a.m., weather permitting, and stay shut around the clock through Tuesday afternoon, April 7. Pedestrians will still be able to use the sidewalks, but everyone else is getting detoured, which means longer drives and pricier commutes.
Scope of the Work and Schedule
Crews from Mosites Construction will use the full shutdown to remove barriers, place concrete shoulders, and install containment as part of a $50.77 million preservation contract. The work package includes full-structure painting, concrete and steel repairs, bearing and deck-joint replacements, LED lighting upgrades, drainage fixes, and a latex-modified concrete deck overlay. Sidewalks will remain open during the closure, according to PennDOT.
Detours and Expected Delays
PennDOT has posted signed detours that send north-of-bridge traffic onto Route 837 and across the Rankin Bridge, while southbound drivers are routed via Route 148, U.S. 30 and back over the Rankin Bridge. Local officials and presentations warned that reroutes could turn a one-minute trip into roughly 20 minutes during the closure. The detour steps and time estimates appeared in local coverage of PennDOT's plan, as reported by CBS Pittsburgh.
Drivers React
Regulars on the bridge are already doing the mental math. Kevin Savage of Duquesne, who crosses the span four times a day, said the closure will probably cost me an extra $200 a week in fuel. Neil Tolan of West Mifflin questioned why crews could not keep one lane in each direction, but added, "You can put up with anything for one month." Those remarks were captured by WPXI.
Where This Fits in the Larger Project
PennDOT's project page says construction is expected to run through 2028, with most work staged to allow alternating traffic along the way. Several short closures are planned in 2026 and 2027, and an approximate 2.5-month full closure is anticipated in 2028. The agency plans a longer shutdown later in the program to complete heavier preservation tasks while minimizing a drawn-out, rolling-lane disruption. Details and maps are available on PennDOT.
Staying Updated
Motorists can check real-time road conditions and sign up for alerts at 511PA. Local news outlets are also carrying detour maps and reporting while the closure is in effect.
Drivers should build in extra time for trips across the Mon Valley during the closure and consider carpooling, commuting during off-peak hours or combining errands to cut down on Rankin Bridge crossings. Expect heavier traffic on alternate routes through Swissvale and Braddock while crews work around the clock.









