My french isn’t what it’s supposed to be but in so far as I understand it.Le Viaduct de Millau has no mention of a footpath (is that a word?).
Nor is there any obvious space available in the pictures I’ve seen.
As The Librarian (ook!) said, there appears to be no mention of a footpath on the official website. This picture shows that there might be one between the low guardrail and the taller one, and this one shows what might be a footpath approaching the bridge. Not conclusive, by any means.
On preview, Sal Ammoniac seems to have found the answer,
If I recall from the documentary on building it, (Crazy by the way… amazing feat of engineering & construction) it’s covered in cameras, has dedicated personel to go yell at you if you even stop on it.
Think of it as a major interstate highway, with no shoulder, which happens to be WAY up in the air.
No stopping, no bicycles, mopeds, basejumping or horses allowed. No peeing off the edge, and certainly not on the windward side.
Some bridges that are generally closed to foot traffic are open one day a year, and this seems to be one of them. There’s a 23.7K footrace on May 13 this year that crosses the viaduct in both directions, but it looks to me like they’re fully subscribed (participation being limited to 10,000 people). I can’t say whether it’s an annual event or a one-off. See http://www.course-viaducdemillau.com/accueil.php4
Nitpick - there is a shoulder (as is standard for Autoroutes). See Crotalus’s pictures. And there’s definitely no footpath, including in those pictures. One is merely a gap between the crash barrier and the wind shield (it’s high enough to need them to protect vehicles from crosswinds), the second is just some access road for maintenance.
I guess my choices are to get a motorcycle for the best view, or else join the footrace. Or, possibly, climb up to the top of the bridge using one of the supporting concrete piers! All I need is some suction cups.
It’s a nice area for a vacation, even if you can’t walk across the bridge. I’ve driven on the road that follows alongside the river the bridge crosses. That road has very little traffic and would make a nice bike ride or walk, while giving you amazing views of the bridge along with some nice countryside. The gorges to the east of the bridge has great hiking and rafting. As a bonus, it’s Roquefort cheese area. Mmmm.