The side walls look a bit too low for me...

[p.b]

Dramatic footbridge built in Cornwall

The bridge recreates what used to be a natural path between the island and mainland.

www.bbc.co.uk

 

[Chris]

Looks to be about chest-height, I think you’d struggle to fall over it.

 

[MntnMan62]

I agree. The side walls seem adequate. The real question is whether or not Arthur, King of the Britains, ever found the Holy Grail.

 

[TobyC]

Looks great! Whadaya want, a big concrete tube?

 

[Blademonkey]

It's far safer than the bridge that was there before, that one was hair raising to cross, a real white nuckle affair! P.