He's also had to allow the public through when the bridge is closed for maintenance and when it's damaged by an accident.
When the meatworks is busy there are 350 staff and 10 to 15 trucks a day.
"It will happen again. The bridge is quite precarious the way it is at the moment."
A 6km alternative route from SH3 to the meatworks and beach settlement would avoid crossing the river altogether, making the bridge unnecessary.
Mr Pearce has offered the use of some of his land if it goes ahead, and a preliminary report has said it is the best option.
A meeting of stakeholders on Tuesday next week will be crucial for progressing it, South Taranaki District Council engineering services manager Brent Manning said.
Those invited represent landowners - including Whanganui District Council, and KiwiRail, the Nga Rauru iwi, Silver Fern Farms, beach residents, and a quarry business.
If they are favourable, a business case will have to be made for the road.
As a local authority road it could get partial funding from the New Zealand Transport Agency.
It would also need unbudgeted funding from South Taranaki District Council, which is already $9 million out of pocket after making flood repairs.
The latest proposal is to attach the new road to Nukumaru Station Rd.