Precast 3-sided bridges, also referred to as 3-sided culverts, are the optimal choice for engineered solutions that are environmentally friendly. Manufactured in a variety of sizes, they can be used create short-span bridges over waterway with little impact on the existing environments. Oldcaslte Infrastructure 3-sided bridges are suitable for a variety of applications including marine construction, wildlife crossings, riding trails, golf courses, and more. When streams or tunnels intersect roadways at skewed angles, our bridges can be installed to adjust to the skew to meet the exact angle. Optional configurations can include our precast footings and wing walls.

Features & Benefits
  • Modular Construction
  • Three-Sided Sections
  • Skew Section Designs
  • Weld Connections
  • Access Openings
  • End Units
  • Offers rugged durability to a variety of projects including:= Undercrossings= Drainage= Bridge replacement= Wildlife Crossings= Rising Trail Passes= Golf Course Passes= And much more
  • Customizable sectional design
  • Quick and easy install
  • Three-sided design
  • Environmentally friendly solution
  • Withstands load capacity
  • Causes minimal disturbance to the existing landscape
  • Quicker install, backfill, and surface than “cast in place” alternatives
  • Variety of sizes available
  • Exact solution to follow streams or tunnels that intersect roadways at skewed angles
  • Sections available in skewed angles= 0 to 45 degrees
  • Manufactured with weld pockets at the joints for in-field weld connections
  • Provide added stability
  • Optional cast-in openings
  • Maintenance and inspection accessibility
  • Variety of shapes and sizes
  • Available options:= Headwalls= Curbs= Railings= Sidewalks
  • Customizable
  • Quick and easy install
Specs & Guides


Material: Concrete

Measurement System:

Height: Variable

Width: Variable

Length: Variable


PDF: MISC-8-1.pdf

DWG: MISC-8-2.dwg

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Whether you're looking for additional product information or design assistance, or you’re ready to get a personalized quote, our dedicated team is here to guide you every step of the way.


Location Available

3786 Valley Avenue
Pleasanton, CA


(888) 965-3227


M-F 7:00-4:00

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