It's 10,000 lbs per axle or tandem. The sign at the bridge is visible on Google street view.

It's 10k lbs max.

I don’t know but we drove over it with a 40 foot fifth wheel and there were much larger rigs on the beach.

It's 10,000 lbs per axle or tandem https://www.google.com/maps/@28.5601673,-96.538154,3a,15y,157.74h,79.91t/data=!3m7!1e1!3m5!1svWEeWPwye7lyUhQFx7-LBA!2e0!6shttps://streetviewpixels-pa.googleapis.com/v1/thumbnail?panoid=vWEeWPwye7lyUhQFx7-LBA&cb_client=maps_sv.tactile.gps&w=203&h=100&yaw=137.90965&pitch=0&thumbfov=100!7i16384!8i8192?entry=ttu

There is a way to avoid this bridge - simply follow 316 to ocean drive and turn left. You will come in the “back way” and there are no weight restrictions that way