August 19, 2021 1:00 pm
Mark Traynowicz, P.E., State Bridge Engineer, Nebraska Department of Transportation
Nebraska’s All-Precast Bridge: Belden to Laurel Project - pdf of presentation
- Contract Plans - pdf
- Special Provisions - pdf
Q&A Session - pdf
News - August 19, 2021 - pdf of presentation
Description: The Nebraska Department of Transportation constructed the all-precast 130-ft simple-span Belden to Laurel Bridge on US Highway 20 in rural northeast Nebraska in 2018. The new prestressed concrete girder bridge replaced an existing 3-span steel girder bridge. US Highway 20 was closed during construction, with traffic detoured 13 miles. Precast concrete substructure elements consisted of abutment caps, wings, and grade beams, with the precast elements connected to driven steel pipe piles using high-early-strength self-consolidating concrete. Precast superstructure elements consisted of NU 1100 prestressed concrete girders, full-depth prestressed concrete deck panels with bridge rails cast on the deck panels at the prestressed concrete facility, and precast approach slabs. The deck panels were connected to the girders using self-consolidating concrete. Ultra-high-performance concrete was used in the joints between the deck panels and bridge rails. An asphalt overlay with waterproofing membrane was placed on the bridge deck to provide a smooth riding surface and deck preservation.
Mark Traynowicz, P.E.
State Bridge Engineer
Nebraska Department of Transportation
Mark is the State Bridge Engineer for the Nebraska Department of Transportation. He received his Civil Engineering degree from the University of Nebraska. His career with the Department includes experience in bridge design, geotechnical engineering, research program, and construction management. Mark has been in his current position since December 2008.