Custom Engineered Vehicular Timber Bridges for Strength and Durability

Longitudinal Glulam Decks

Beneficial for short span bridges when a shallow-depth superstructure is required. Continuous glulam panels span longitudinally between supports, forming both the superstructure and the deck. Stiffeners run transversely under the deck to decrease differential deflection. Deck thicknesses range from 8.5 to 16 inches for spans between 10 to 30 feet.
Stress-Laminated Glulam Decks

Beneficial for long span bridges when a shallow-depth superstructure is required. Individual glulam stringers span longitudinally between supports with post-tensioned transverse stressing rods, forming both the superstructure and the deck. When the deck is tensioned together with high-strength steel bars the deck performs as one composite deck. Deck thicknesses range from 12 to 22 inches for spans between 20 to 50 feet.
Glulam Stringers

Beneficial for long span bridges. Individual glulam stringers span longitudinally between supports with transverse glulam deck panels placed on top of the stringers (see Transverse Glulam Decks for more information). Stringer depths range from 27.5 to 63 inches for spans between 24 to 80 feet.
Transverse Glulam Decks

Beneficial for long span timber, steel, or concrete stringer bridges. Continuous glulam panels oriented across supporting stringers, forming the deck. Deck thicknesses range from 5 to 8.5 inches for stringers spans between 3 to 8.5 feet.

At LCI, we design and manufacture vehicular bridges that combine the natural beauty of timber with engineered strength to support heavy loads. Our timber bridges are ideal for highways, rural roads, and private developments, providing both economy, functionality, and aesthetics.

Why Choose Timber for Your Vehicular Bridge?

Superior Load Capacity: Our timber bridges are engineered to handle the demands of vehicular traffic (including AASHTO LRFD HL93 loading).
Sustainable Construction: Built using eco-friendly timber, our bridges reduce environmental impact while providing long-lasting durability.
Custom Designs: Every bridge is custom-tailored to meet specific site and traffic requirements, ensuring seamless integration into your project.
Cost-Effective: Timber bridges offer an economical alternative to steel or concrete structures, with faster installation.

Our Expertise

With over 40 years in the timber industry, our experienced team of engineers and technicians have delivered dozens of vehicular bridge projects nationwide. We guide you through every stage, from concept design to final installation, ensuring your bridge exceeds expectations.