Test air leakage rate: With a fully-charged air system (typically 125 psi), turn off the engine, release the service brake, and time the air pressure drop. The loss rate should be less than 2 psi in 1 minute for single vehicles and less than 3 psi in 1 minute for combination vehicles.
Construction on the Coronado Bridge began in 1967. Almost 500 prestressed concrete piles were fastened to the sea floor of the bay to provide the foundations for the bridge. The steel and concrete components were largely built offsite, then assembled together from marine construction barges over the bay.
3-Day Forecast. Coronado Bridge Re-Opens After Man Jumps Off. Both directions of the Coronado Bridge are being re-opened after briefly being closed because man pulled over his vehicle on the span and jumped, according to authorities. The unidentified man pulled his white Toyota Camry over on the westbound side of the bridge and exited.