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"You get on Eurostar from something I can only describe as the squalor pit of Europe, Gare du Nord, and you get off at a modern, forward-looking station (St Pancras)," he was quoted as saying.
Street said the award John Lewis was given in Paris during this week's World Retail Congress was "made of plastic and is frankly revolting".
"If I needed any further evidence of a country in decline, here it is. Every time I (see it), I shall think, God help France," he was quoted as saying. "If you've got investments in French businesses, get them out quickly."
Bigger than Britain's for the 1980s and most of the 1990s, France's economy lagged from 1998 until the 2008 financial crisis but has been bigger than Britain's since.
This year France's nominal gross domestic product is forecast by the International Monetary Fund to grow to $2.89 trillion this year while Britain's is forecast to grow to $2.83 trillion.
Under Street, John Lewis, whose worker co-ownership model has been lauded by Prime Minister David Cameron, has been the star performer of Britain's retail sector.
Its generally more affluent customers were less hurt by the economic downturn and it has a bias to the more prosperous south east of England.
A big push online, improvements to stores, products, service, promotions and marketing, have also chimed with shoppers. Last month it posted a 62 percent rise in first half operating profit to 56.3 million pounds on sales up 9.4 percent to 1.87 billion pounds.
John Lewis, which sells many French products in Britain, is planning to launch a French-language version of its website denominated in euros.
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