Hi - there are a whole bunch - without any more direction, I can just give you the search results to go through: https://www.hometalk.com/search/posts?filter=bridge.
There are lots of ideas here: https://www.hometalk.com/search/posts?filter=build%20a%20bridge
Hi Christine. I see that your question has been answered. But I would like to share a great resource with you. If you ever want to see old projects, or specific projects like you wanted, just click on the small blue house at the top of this page, left-hand corner. There's also a search bar there if you need it. Also, check out "Explore Projects" for even more.
Check out this post: https://www.gardenupgreen.com/2018/10/building-a-bridge-on-the-homestead.html