Detroit Ambassador Bridge

Design of a new high level bridge over the Detroit River between the US and Canada. The project included numerous permits from federal, state, local and provincial agencies in both the Unites States and Canada; Environmental Assessment under NEPA and Environmental Impact Statement under CEEA; field surveys including wetlands, land use, wildlife, vegetation, socioeconomics, contamination, and noise impacts; extensive public involvement including public meetings and hearings; and communication through a public website. American was responsible for the preliminary design, preparation of NEPA and CEAA documents, reports and permitting of this international crossing. The preliminary design of this 6,100’ long bridge includes a 4,182’ cable stayed portion with a main span length of 2,190’ using concrete segmental back spans and a main span using exterior composite steel tub girders with floor beams and precast deck panels all supported by 700’ tall pylons.