Originally constructed in 1927, the open spandrel concrete arch bridge is well known to travelers on both land and water.

Total structurally deficient bridges dipped by just 567 in 2018, compared with annual average decline of 1,700 in previous five years.

Iowa had largest number of structurally deficient bridges, followed by Pennsylvania, Oklahoma, Missouri, Nebraska

It took longer than expected, but Pittsburgh’s fire-damaged Liberty Bridge finally reopened last month.