Listed on the National Register of Historic Places, downtown Jacksonville’s Main Street Bridge required emergency replacement of the concrete structure carrying Main Street over Hogan’s Creek. The bridge was replaced using innovative, accelerated bridge construction techniques. The Main Street Bridge Culvert is a historic structure designed by Henry J. Klutho, a notable Jacksonville architect.

The project included a new bridge structure, utility relocation, and vibration monitoring of nearby historic structures. The early 20th-century site has character-defining features designed by Klutho, such as obelisks, cartouches, medallions, and urns on the walls of the bridge culvert. Features were removed from the existing structure, then rehabilitated and reinstalled on the new structure.

During excavation of the site, a large void (30’x30’x4’), created by a leaking drainage system was discovered beneath the south approach to the bridge. Historic trolley tracks and brick pavers also were discovered beneath the existing pavement during excavation. The trolley tracks and pavers were surveyed and documented by Southeastern Archaeological Research, Inc., a major project partner. The drainage system was repaired using a lining system and the subgrade restored to its original line and grade. Despite the challenges, the project was completed ahead of schedule. It received a National Award of Excellence and National Award of Merit from DBIA; a Design-Build Honor Award from DBIA Florida; and an Engineering Excellence Honor Award from ACEC Florida.