Palmer Rd Bridge Closed for 8-month Replacement in Denville & Randolph


The Palmer Road Bridge over Mill Brook, located in the townships of Denville and Randolph, is now closed for replacement construction that began yesterday and will continue for eight months.

Built in 1917, the bridge is a single-span steel beam structure that sees average daily traffic of 5,400 vehicles.

Palmer Road Bridge looking west.

The bridge has fallen into bad condition due to the deterioration of structural steel beams, which prompted the replacement project.

Several structural beams on the bridge are rusting away and posing a significant threat to the bridge’s stability. Additionally, rusting and rot on bridge fascia – an outside covering designed for architectural effect and, in this case, to add strength and rigidity to the bridge – poses a threat to the integrity of the roadway.

Deteriorating beam on Palmer Rd. Bridge.

Construction is underway, and the road is closed to all traffic. Motorists are being detoured onto Franklin Road, Route 10, and South Salem Street while construction is underway.

The bridge’s overall structure length is 26 feet, and the deck width is 34.6 feet.

The proposed bridge replacement will consist of a precast concrete, three-sided rigid frame on cast-in-place concrete foundations. A painted four-bar steel railing will be placed across the structure between the stone-faced pylons.

Rusting and rot on bridge fascia.

The guide rail along the approach roadway will be stained with a brown finish to aid in blending the structure into the surrounding area.

The contractor on this project is CMS Construction of Plainfield, NJ. The estimated cost of $1.1 million will be funded by both the state and county.

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