How do I build a bridge when SimCity says "The slope is too steep"?

Every time I try to create a bridge in my city over a lake it says "The slope is too steep".
I have tried to Google it but to no success.
Best Answer
When I Googled "The slope is too steep", it linked me to a Reddit post which linked to imgur.
This suggests that you should make your bridge longer. The error can indicate that the slope between the bridge surface and the interchange with the road at the end is too great. If you move the connection further away from the main bridge, it should have more ability to make a gentle slope to the connection.
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How do I place a bridge in SimCity Buildit?
The first step in creating your very own city to rule in SimCity is to \u201cterraform\u201d the land area upon which you will build your city. In this game, the term \u201cterraforming\u201d means to landscape \u2013 to flatten or raise up hills, to fill in or gouge out valleys, to plant trees or to cut down forests.How do I build a bridge in SimCity 4?
No you can't. There are no terraforming tools in the game. If the game will not change the terrain enough for you to place your road or building, you'll have to shift it over in small increments until you find an acceptable location.Cities Skylines - Segment Slope Smoother and Net Picker Mods - Tutorial
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