Possible Clues:

• It's no good to go one foot either side of this half way along the street (8)
• Be situated on both sides of
• Take an attitude over something that's beneath you
• To have one foot either side half way along the street will go bad
• Stretch legs across
• Sit astride broken ladder under street
• Great fiddle led Dicky to sit with legs apart
• Go across platform that spans river
• To have a foot in both camps is the way to get confused about what's right
• Not pick sides?