Historic swing bridge an important cross country link

2011-11-30T17:00:00Z Historic swing bridge an important cross country linkBy Clay Schuldt / For the Houston County News La Crosse Tribune

At the Houston County Historical Society's annual meeting last month, Richard Cordes of Brownsville gave a presentation on his research of La Crescent's historic railroad swing bridge.

The bridge's technical designation is "The Canadian-Pacific Rail Road Bridge #283.27 Tomah Subdivision, La Crescent, MN, Houston County," but Cordes chose to refer to bridge by an old abbreviation "L4B."

In 2009, Cordes studied the history of L4B after the historical society received a letter from the U.S. Coast Guard inviting the group to an informational meeting on its historical significance and plans to make alterations to the bridge.

The bridge is located over the west channel of the Mississippi River near Shore Acres and links to Minnesota Island. A second bridge connects Minnesota Island to the Wisconsin shore across the Black River. L4B, however, is located entirely on the Minnesota side of the river and is 1,050 feet, 11 inches long.

What makes L4B unique is its swing feature. A section of the bridge swings on a pivot point, opening up two 150-foot- wide lanes for river traffic to pass through, similar to a gate. The bridge is operated from a tower and originally ran on steam power. Opening and closing the swing bridge takes about five minutes, which allowed the railroad to build a permanent track across the river to La Crosse without interfering with the steamboats and barges that travel up and down the Mississippi.

River traffic has the right of way, and the swing bridge must even open for privately owned pleasure crafts or face fines from the Coast Guard, though Cordes said the railroad would often take the fines over the cost of stopping a train.

Prior to the construction of any swing bridges, the Mississippi River connected the country north to south, but was an obstacle for those going east to west. The railroad relied on ferry boats to transport rail cars across the river into La Crosse, which cost a considerable amount of money and time. In addition, many of the ferry boats were unreliable because they had no fixed scheduled. In the early 1800s, it was difficult to construct bridges, as they needed to provide enough clearance for the abundance of steamboats on the river. In the winter months when the river froze over and boat traffic stopped, the railroad would lay down seasonal tracks across the ice and remove them by spring.

Then in 1856, the first swing bridge to span the river was constructed in Rockford, Ill., to solve the problem. Only a few days after the bridge was opened, a steamboat crashed into it. Some people think it might have been on purpose because the steamboats did not care for these bridges. The boat and bridge caught on fire, and the steamboat owner sued for damages, claiming the bridge was a hazard to navigation. Fortunately for the railroad, it was defended in court by an Illinois lawyer: Abraham Lincoln.

Lincoln won the case for the railroad, arguing that a person has a much right to build a bridge to cross a river as another person has to travel up and down the water. This victory led to the construction of even more swing bridges, including the L4B.

Over the years, L4B has gone through many changes, with a major update in 1902 when it was reinforced with iron. The initial construction of L4B began in June 1876 and was completed five months later in November. At the time, the bridge cost $500,000 to build, but paid for itself in a few years, with the railroad saving $90,000 a year in river tolls.

It is impossible to estimate the importance of the LB4 swing bridge, Cordes said. The bridge played an important role in the history of the La Crescent and La Crosse area. Early founders of La Crosse understood the need for the railroad bridge. As Cordes explained, without the L4B, La Crosse would not have become a railroad hub and might have faded away like many river towns.

The L4B has taken a significant amount of abuse over the years. The L4B is ranked fourth in most boat-related collisions out of 22 states, 7,500 miles of railway and 1,200 other bridges. One incident was as recent as July 22, 2011, when a barge clipped the side of the bridge and halted river traffic.

The Coast Guard proposed alterations to the L4B seeking to fix some of these problems. The plan is to remove the swing bridge and install a lift span and create a 65-foot clearance and open a 300-foot wide lane for the boats. The alterations would move the bridge opening away from the shore line to the center of the channel.

However, as of June, the Coast Guard has dropped plans to alter the bridge for the time being. While Cordes has received no explanation for why the project was dropped, he speculates it has to do with the cost and current economic problems. Estimates figure the restoration of the LB4 will cost $70 million. For the time being, the L4B will remain a swing bridge, Cordes concluded.

Copyright 2015 La Crosse Tribune. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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