On Mon, 16 Jan 2006 20:04:05 -0600, Dave N
wrote:

We have an ugly old concrete path, steps, and porch in our front entryway,
with an ugly old iron railing. We're generally working on our "curb

If the concrete isn't cracked or spalling, just bleach it white,
and leave it alone. If the railing is solid, clean up the rust
and paint it. If it's falling down, fix it.

Clean and in good repair is what you should be after.