Skjeggestad Bridge, Twin bridges in Holmestrand Municipality, Norway
The Skjeggestad Bridge is a pair of parallel structures crossing the Mofjellbekken waterway as part of the E18 European route in Holmestrand Municipality. Each side carries traffic in one direction, with the two bridges positioned close together to form an integrated transportation system.
The southbound section collapsed in 2015 when quick clay in the ground caused a landslide beneath the structure. That side was completely removed and rebuilt with improved understanding of the local soil conditions.
The bridge forms a crucial link in the daily commute for people traveling between Oslo and southeastern coastal areas. For locals and visitors alike, it represents an essential passage that connects different parts of the region.
The bridge is visible from the E18 highway but has no pedestrian walkways or viewing areas for visitors to stop. You can best observe it while driving, or from nearby roads that provide views of the structure across the water.
The 2015 landslide provided researchers with important data about quick clay behavior, a geological challenge affecting infrastructure projects across Scandinavia. The reconstruction efforts show how engineers adapted their approach based on understanding these ground conditions.
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