The most common and most likely answer to this crossword clue is the 10 letter word FOOTBRIDGE
I've seen this crossword clue in The Daily Telegraph
F
O
O
T
B
R
I
D
G
E
More clues leading to the result FOOTBRIDGE
- Pay for game that provides a walkover?
- I forgo debt in difficulties — something that may cross a line
- One walked across, resolving to get rid of BO?
- Crossing to pay for game of cards
- Crossing ford, big toe gets broken
- Pay British bank for pedestrian crossing
- Crossing to pay for game for four
- Old Labour orator ahead of the game — one going over lines?
- Limit couple to overcrossing
Buddy explains!

The straight part
We know that "Crossing" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case crossing = footbridge.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does FOOTBRIDGE mean?
FOOTBRIDGE noun- A bridge over a road, railway, river, etc for pedestrians.