Eleven years ago, the Interstate 35W bridge over the Mississippi River in downtown Minneapolis collapsed, in a tragic accident that killed thirteen people and injured 145 more as cars, trucks and a school bus plunged into the Mississippi below.
This Bridge was rebuilt and many things were done differently afterward, with a primary focus on SAFETY. One notable change is seen in the above animation from a photo taken at night of the new LED light fixtures.
The twenty 400 watt High Pressure Sodium Lights (2000 Kelvin) on the old Bridge were replaced by twenty 290 watt LED Light fixtures (>5000 Kelvin) on the new Bridge which produced a different and safer color of light.