The Castle Rock bombing campaign is the deliberate escalation of Ace Merrill and Danforth Keeton’s alliance into a timed assault on the town. Using commercial dynamite taken from a locked shed, the two men plant bombs at the Tin Bridge and across local businesses; the bridge blast then breaks into the foreground of an already violent night, and the barber shop and Samuels Funeral Home explode while Alan Pangborn is pursuing Ace. The campaign converts private grievance and Gaunt’s manipulation into public destruction, with the town’s ordinary places made into targets and the attackers’ movements concealed by rain, darkness, and the confusion already consuming Castle Rock.

Preparation and the stolen explosives

The campaign’s material basis is the stockpile in a locked shed marked with red diamond-shaped high-explosives signs. Danforth Keeton produces the key, and the shed’s air conditioning, crates, and “Commercial dynamite. Lots of commercial dynamite” reveal the scale of what the conspirators have gained access to. For Ace, the supply is a practical substitute for the more formidable arsenal he imagines; for the plot, it makes a town-wide attack possible with ordinary commercial explosives rather than military weapons.

They load the crates into a van in less than ten minutes. Danforth asks whether Ace’s cocaine has any effect and requests more; Ace agrees, and the older man’s increasingly expansive, drugged talk accompanies the work. The casual, almost familial address of “Dad” sits uneasily beside their shared preparations. Their banter does not soften the operation: it is a means of keeping Danforth engaged while Ace directs the dangerous work.

The Tin Bridge and the first placements

Before beginning the wider route, the pair cross the Tin Bridge and get out in the pouring rain. Ace wraps a bundle of dynamite and a timer in a blanket, carries it down the slippery bank, and wedges it in the elbow formed by two bridge struts. He attaches the blasting cap by inserting its wires into a stick of dynamite, then turns the timer’s large white dial to forty. The ticking device is left beneath the bridge, concealed from view and set to detonate later.

The campaign then moves into Castle Rock’s commercial streets. Driving slowly up Main Street in what resembles a television news van, Ace and Danforth exploit the police’s distraction: State Police cars roar past twice without stopping them. At the Samuels Funeral Home, they leave a timer and five sticks of dynamite in the doorway. Ace breaks the glass pane of the adjoining barber shop door with his elbow, and Danforth passes him another prepared bomb. Ace throws it inside, where it comes to rest by the number-one barber chair with its timer counting down from twenty-five.

They divide the remaining placements. Ace throws a bundle into Galaxia, while Danforth pushes another into the bank’s night-deposit slot. The route makes the attack more than a single demolition: bombs are distributed among places associated with everyday commerce and public services, and the concealed timers allow the pair to move on before the consequences become visible.

Darkness, pursuit, and the bridge’s destruction

After returning to the van through the driving rain, the pair see lightning and an elm crash into Castle Stream. For a moment they think the bridge bomb has detonated early, but no fire follows; Ace attributes the fallen tree to lightning, and they continue. They later leave another timed device inside Nan’s, near the cash-register stand, after breaking the door glass with Ace’s elbow. A brilliant lightning flash then knocks out the streetlights. Danforth welcomes the blackout and urges the next target to be the Municipal Building, but the excerpted sequence ends before confirming whether that intended placement occurs.

At 7:38 p.m. on Tuesday, October 15, 1991, the timer beneath Castle Stream Bridge reaches zero. Its small electrical signal begins to ring the bell, but the spark immediately triggers the blasting cap and dynamite. The old iron bridge lifts from the south bank on a ball of fire, rises roughly ten feet, and drops back amid broken cement and flying metal. Its north end twists loose, leaving the structure askew in Castle Stream; the south end comes down on the lightning-felled elm.

The blast interrupts the fighting on Castle Avenue, where Catholics and Baptists are still brawling alongside nearly a dozen State Police officers. Combatants who had been exchanging blows stop and turn toward the fire at the stream. Albert Gendron and Phil Burgmeyer, both bloodied by their fight, stand side by side watching. The explosion briefly makes the town’s divided factions look in the same direction, but this shared pause is an interruption, not a reconciliation.

The attacks spread; the trail goes cold

The bridge is only one part of the coordinated assault. Later, two rifle-shot-like explosions erupt almost simultaneously at the barber shop and the Samuels Funeral Home, sending glass and burning debris into the street and sky. Their near-simultaneous detonation fulfills the threat planted along Main Street and confirms that the bombs were timed to strike after the perpetrators had left.

By then, Alan has reached Needful Things and is absorbed in the repeated thought that Ace lives in Mechanic Falls and must be pursued. Even as the nearby businesses explode, Alan takes no notice. He picks up the Tastee-Munch can because it is something he had brought inside and therefore should take back out, scuffs his earlier footprints, and leaves. The contrast is central to the campaign’s effect: while the town’s built environment is being violently altered, Alan’s attention remains fixed on personal pursuit, and the explosions do not immediately redirect him.

Significance

The bombing campaign turns Castle Rock’s geography into a sequence of vulnerable sites: a bridge, a funeral home, a barber shop, a store, a bank, and Nan’s. Its method depends on access to the explosives, rapid loading, concealed timers, and the cover provided by a storm and an already overstretched police presence. The rain hides the attackers’ work; the blackout offers Danforth an apparent opportunity to escalate it further.

The bridge’s destruction also gives the violence a public, unmistakable form. Earlier acts of resentment and manipulation have drawn neighbors into private retaliations and street fighting; now dynamite makes the attack collective in its consequences, even where responsibility remains with the bombers. The blast halts the religious brawl for an instant, but the later explosions show that the pause cannot contain the violence. Rather than restoring order, the campaign makes the town’s collapse materially visible in broken infrastructure and burning commercial spaces.