The joint declaration after Thursday's summit said: "The United Kingdom and France have a long history of collaboration in delivering cutting-edge technologies".
He asked if the Channel Tunnel should be considered merely the "first step".
In a tweet Johnson said: "I'm especially pleased we are establishing a panel of experts to look at major projects together". As a bridge designer I obviously would welcome the opportunity to build a bridge.
During the meeting, which was called to discuss issues including Brexit and immigration, Johnson is understood to have described the current underground tunnel connecting the two countries as "ridiculous". "It would be, as major projects go, it would be a major project, up there with the very very biggest of them". His idea has made quite the splash on the morning after Theresa May met Emmanuel Macron.
"Our economic success depends on good infrastructure and good connections".
Centurión comienza a entrenarse en Racing
El polémico jugador, que ya tuvo dos pasos cuestionados en Boca , era pretendido como refuerzo para este año. Racing , ni lento ni peresozo, fue a fondo: compró el 70% del pase en 5 millones de dólares.
French Finance Minister Bruno Le Maire, speaking to France's Europe 1 radio, seemed unconvinced, but did not reject the proposal outright, saying: "All ideas merit consideration, even far-fetched ones".
The Sunday Times' Tim Shipman said the Foreign Secretary had to be talked out of his plan for a "submarine highway" by former aide Will Walden.
And Boris Johnson has run into difficulties building bridges of rather more modest lengths.
But the UK Chamber of Shipping said: "Building a huge concrete structure in the middle of the world's busiest shipping lane might come with some challenges".
The London Garden Bridge project was scrapped by Johnson's successor for Mayor of London Sadiq Khan after £37 million pounds was spent on the project. He campaigned heavily for an airport in the Thames estuary, dubbed "Boris Island" by the British media, which was discarded in favor of building a third runway at Heathrow airport.