Here is the full list of all 38 Pixel Traffic: Risky Bridge achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Collect 50 coins in a single try
Get all available cars
Get hyper custom car
Get racing car
Get hyper concept car
Get hyper car
Get tuned mini sport car
Get mini sport car
Get super mini sport car
Get battle tank
Get heavy tank
Get super kart
Get tank
Get sport kart
Collect 500 coins
Get pink mini car
Get kart
Get tuned mini car
Get mini car
Get super cabrio car
Get cabrio sport car
Collect 250 coins
Pass 100 bridges
Get cabrio car
Get police car
Get tuned coupe car
Pass 50 bridges
Collect 100 coins
Get coupe plus car
Get coupe car
Get tuned truck
Get big truck
Get truck
Pass 30 bridges
Get super sport car
Get tuned sport car
Get sport car
Crash from the first bridge