30+ data-driven challenges across six units. Design. Build. Test. Improve.
Bridge Design Challenge
☆☆☆Apply foundations knowledge on a short practice span.
Diff 2/8 · Budget $3,500
Strong Shapes Span
☆☆☆Prove that shape choices change strength.
Diff 2/8 · Budget $3,800
Load Path Lab
☆☆☆Create a clear path for weight to travel into the ground.
Diff 3/8 · Budget $4,200
Choosing Materials Mission
☆☆☆Compare timber and steel under the same mission.
Diff 3/8 · Budget $5,000
Cross the Creek
☆☆☆Build a simple bridge so one child can cross a small creek.
Diff 1/8 · Budget $2,500
The Playground Path
☆☆☆Connect two playground banks for a group of walkers.
Diff 2/8 · Budget $3,200
The Delivery Cart
☆☆☆Support a small delivery cart without excessive deflection.
Diff 2/8 · Budget $4,000
Deliver the Supplies
☆☆☆A delivery van must cross with supplies for camp.
Diff 3/8 · Budget $5,500
Heavy Truck Crossing
☆☆☆Support a construction truck on a short industrial span.
Diff 4/8 · Budget $7,500
Cheapest Safe Bridge
☆☆☆Build the least expensive bridge that still passes safely.
Diff 4/8 · Budget $4,500
Triangle Training
☆☆☆Improve a weak span using triangular supports.
Diff 3/8 · Budget $5,000
Build Your First Truss
☆☆☆Create a full truss pattern that carries a van.
Diff 4/8 · Budget $6,500
Support the School Bus
☆☆☆Design a safe crossing for a school bus.
Diff 5/8 · Budget $9,000
Windy Canyon
☆☆☆Brace a canyon bridge against strong side winds.
Diff 6/8 · Budget $10,000
The Efficiency Challenge
☆☆☆Carry a bus with high structural efficiency and low waste.
Diff 6/8 · Budget $8,000
Discover the Arch
☆☆☆Explore how an arch turns loads into compression.
Diff 3/8 · Budget $5,500
Stone Crossing
☆☆☆Build a stone-favored crossing for light vehicles.
Diff 4/8 · Budget $7,000
Build Without Cables
☆☆☆No cables allowed — solve with compression geometry.
Diff 5/8 · Budget $8,500
River Town Arch
☆☆☆Serve a riverside town with an elegant arch span.
Diff 5/8 · Budget $9,500
Historic Bridge Challenge
☆☆☆Respect historic materials while meeting modern loads.
Diff 6/8 · Budget $9,000
Cable Basics
☆☆☆Learn how cables carry tension between supports.
Diff 4/8 · Budget $8,000
Long-Distance Crossing
☆☆☆Span a longer gap where beams alone struggle.
Diff 6/8 · Budget $12,000
Tower and Anchor Design
☆☆☆Resolve cable forces through towers into strong anchors.
Diff 6/8 · Budget $12,500
High-Wind Crossing
☆☆☆Stabilize a cable-assisted crossing in heavy wind.
Diff 7/8 · Budget $13,000
The Grand Span
☆☆☆Design a long-span suspension-style crossing for a convoy.
Diff 8/8 · Budget $16,000
Earthquake Crossing
☆☆☆Keep a usable path after simulated ground movement.
Diff 7/8 · Budget $11,000
Flood Response Bridge
☆☆☆Stay above the flood clearance line for emergency vehicles.
Diff 7/8 · Budget $11,500
Emergency Replacement Bridge
☆☆☆Deploy a fast, safe temporary crossing after a washout.
Diff 7/8 · Budget $10,000
Rail Bridge
☆☆☆Carry a train with stiff deck behavior and strong load paths.
Diff 8/8 · Budget $15,000
Community Capstone
☆☆☆Design a safe, affordable, appealing bridge for Riverview Community.
Diff 8/8 · Budget $14,000