The Bradley Avenue and Woolley Avenue overpasses will be reduced to two travel lanes and traffic will only be permitted in one direction on each bridge starting Friday, Sept. 16, through early spring 2024. (Staten Island Advance/Erik Bascome)

STATEN ISLAND, N.Y. -- A major traffic pattern shift on two Staten Island Expressway (SIE) overpass bridges is now in effect.

As of Friday, the Bradley Avenue and Woolley Avenue overpasses have been reduced to two travel lanes and shifted to one-way vehicle traffic to accommodate the rehabilitation of the overpass bridges.

Under the new traffic pattern, which is expected to remain in place until early spring 2024, the Woolley Avenue overpass will only handle southbound traffic, while the Bradley Avenue overpass, located roughly a half-mile down the service road, will only handle northbound traffic.

Cars heading northbound on Woolley Avenue will be detoured right onto South Gannon Avenue, left over the Bradley Avenue overpass, and then left onto North Gannon Avenue.

Cars heading southbound on Bradley Avenue will be detoured right onto North Gannon Avenue, left over the Woolley Avenue overpass, and then left onto South Gannon Avenue.

Trucks will be subject to even longer detours using Victory Boulevard, with signage for both car and truck detours being posted in the area by the state Department of Transportation (NYSDOT).

The project, part of a $46 million investment to rehabilitate four SIE overpass bridges, includes structural repairs and the installation of new bridge decks, which are expected to increase the lifespan of the overpasses by 40 years and reduce the need for future maintenance work.

The rehabilitations will include replacements of the concrete bridge decks, as well the installation of new sidewalks and steel bearings at both overpasses.

The new bridge decks will use “link slabs” instead of traditional bridge joints, which are expected to reduce the amount of regularly scheduled maintenance required.

The structural steel beams and concrete on the pier columns and abutments will be repaired, with new pedestrian fencing set to be installed and the steel bridge railings replaced with concrete barriers.

The project will use Polyester Polymer Concrete (PPC), which provides waterproofing protection to the new concrete surfaces.

Utilities will be replaced along both overpass bridges, with new LED lighting installed underneath to improve late-night visibility on the expressway.

Additionally, the project will fully resurface affected intersections, add pavement markings and install new street lighting, accessible pedestrian signals and curb ramps.

Major construction project on 2 Staten Island Expressway overpasses: What drivers need to know

A new traffic pattern on the Bradley Avenue and Woolley Avenue bridges will begin Friday as part of the rehabilitation work.

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