State officials say they’re making progress responding to bridge inspection shortcomings.

But with increased inspections comes evidence that many of Minnesota’s bridges need significant repairs.

Rusting gusset plates on the Winona Interstate Bridge along state Highway 43 underscore Minnesota’s aging transportation infrastructure.

During a recent routine inspection, state bridge inspectors spotted the spreading corrosion, made a repair and slapped on some weight restrictions. The episode illustrates the problems associated with that 69-year-old structure and dozens of other spans around the state.

Read this story at Minnesota.PublicRadio.org