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Box Beams
Heldenfels Enterprises produces precast, prestressed concrete box beams engineered for strength, durability, and efficient installation in bridge and roadway projects. These structural elements provide excellent load-carrying capacity while minimizing overall beam depth, making them ideal for short- to medium-span bridges, overpasses, and elevated roadways where performance, precision, and speed of construction are critical.
Beyond highway infrastructure, Heldenfels box beams are also used in pedestrian bridges, parking structures, and marine or industrial platforms, where their compact profile, high strength, and clean underside make them a versatile solution. Manufactured in controlled conditions with high-strength concrete and precision-formed voids, our box beams deliver consistent quality, tight dimensional tolerances, and long service life. Their proven performance across multiple applications ensures safe, durable, and efficient structures that stand the test of time.
Product Information
Technical Specs
| Sizes: Built to Specifications | Thickness: Built to Specifications |
| Height Options: Built to Specifications | Installation: Crane ready with lifting hardware |
Delivery & Installation
On average, box beams take about 6-8 weeks before they are ready to leave our facility. Our delivery network makes shipping fast and easy! Each project is different and your timeline will be discussed when the order is placed.
Applications & Use Cases
Precast box beams are used in highway and roadway bridges, pedestrian crossings, parking structures, and marine platforms, providing efficient, high-strength solutions for short- to medium-span structures that demand durability and rapid installation.
Product Information
Technical Specs
Sizes: Built to Specifications
Thickness: Built to Specifications
Height Options: Built to Specifications
Installation: Crane ready with lifting hardware
Delivery & Installation
On average, box beams take about 6-8 weeks before they are ready to leave our facility. Our delivery network makes shipping fast and easy! Each project is different and your timeline will be discussed when the order is placed.
Applications & Use Cases
Precast box beams are used in highway and roadway bridges, pedestrian crossings, parking structures, and marine platforms, providing efficient, high-strength solutions for short- to medium-span structures that demand durability and rapid installation.
Our Locations
SAN MARCOS, TEXAS (HEADQUARTERS)
Heldenfels Enterprises, Inc.
5700 IH-35 South. San Marcos, TX 78666
Tel: (512) 396-2376
Fax: (512) 396-2381
CORPUS CHRISTI, TEXAS
Heldenfels Enterprises, Inc.
2222 Laredo St. Corpus Christi, TX 78405
Juan Aguirre: (361) 533-1031
Heldenfels Headquarters
Heldenfels Corpus Christi
Frequently Asked Questions
What are precast box beams used for?
Precast box beams are primarily used in highway and roadway bridges, but they’re also ideal for pedestrian bridges, parking structures, and marine platforms where strength, durability, and efficient installation are critical.
What are the advantages of using box beams over other beam types?
Box beams provide high load capacity with a compact profile, allowing for longer spans and reduced overall structure depth. Their closed shape enhances torsional resistance and durability while simplifying maintenance and drainage.
Can box beams be customized for non-standard applications?
Yes. Our engineering team regularly designs custom box beam geometries, reinforcement layouts, and connection details to meet unique project needs such as pedestrian or marine structures.
Are Heldenfels box beams approved for TxDOT or other state specifications?
Yes. Heldenfels manufactures box beams in full compliance with TxDOT standards and can also produce custom designs for county, municipal, and private projects.
How do box beams perform in harsh environments like coastal or marine settings?
Heldenfels box beams are produced with dense, low-permeability concrete and optimized reinforcement cover, providing excellent resistance to chlorides, moisture intrusion, and freeze-thaw cycles for long-term durability in coastal or industrial applications.
Larry Miller, PE
VP of Pre Construction & Business Development
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