The cracks, filled with yellow goo, are nothing to worry about, says Milwaukee City Engineer Jeff Polenske.
Hairline fractures appear in all bridges soon after they are completed because of stress, he said. The traditional fix has been to apply a more neutral colored sealant but the Wisconsin Department of Transportation recently required the yellow goo.
Polenske said the city has received a lot of calls asking if the $8.5 million bridge that reopened June 30 and connects Humboldt Boulevard and Commerce Street over the Milwaukee River was falling apart.
It’s not, he said.