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The historic Black Hawk Bridge, spanning the Mississippi River and connecting Wisconsin and Iowa, has been closed due to safety concerns after officials confirmed slight movement in the structure. The closure of this iconic bridge, which opened in 1931 and is the sole route for vehicular traffic between Lansing, Iowa, and Wisconsin's Crawford County, is expected to last up to two months.
The closure of the Black Hawk Bridge presents significant challenges for residents who commute between the two states, as it is the only direct route for many individuals traveling between Prairie du Chien and La Crosse, a distance of about 60 miles. The bridge, known for its distinctive design and metal grate flooring that produces a humming sound when vehicles cross, has long been a symbol of the region's heritage.
However, concerns over the bridge's structural integrity have been mounting due to its age, narrowness, and deteriorating condition. Additionally, the bridge's location across a sharp bend in the river has historically posed challenges for navigation, resulting in collisions with barges.
Efforts to stabilize the bridge's piers, which were found to have moved during inspections, are currently underway. The Iowa Department of Transportation has initiated work to address the issue, but repairs are expected to take several weeks to complete.
Construction on a new bridge, located just north of the original structure, began late last year as part of a $140 million project. The plan was to keep the old bridge operational until the new one was ready to minimize disruptions to traffic. However, investigations are ongoing to determine whether construction activities near the bridge may have contributed to the structural issues.
Local officials and residents have expressed concerns about the impact of the bridge closure on the region's economy. Past closures have led to noticeable declines in local business activity, particularly during peak seasons. However, authorities are working diligently to address the safety issues and minimize disruptions for commuters and residents.
As investigations into the cause of the bridge's movement continue, updates will be provided to the public. The closure underscores the importance of prioritizing infrastructure maintenance and safety to ensure the continued functionality of vital transportation routes.