A newly constructed bridge in northern Ontario has heaved apart, indefinitely closing the Trans-Canada highway — the only road connecting Eastern and Western Canada. The Nipigon River Bridge has been closed for "an indefinite time due to mechanical issues," according to the Ontario Provincial Police. The bridge remains open to pedestrian traffic. The west side of the bridge has pulled away from the abutment connecting it to the river bank's edge, lifting up about 60 centimetres. As a result, police have shut down Highways 11 and 17 at the bridge, which is located about 100 kilometres northeast of Thunder Bay,...