Early Bridge Diagnostic System
Monitoring every bridge on the route, not just the few you can afford to instrument.
SILLAN measures bridges from the buses, trucks and metro trains that already cross them. Built on Aalto University research, with nothing installed on the bridge itself.
Stage
Research & prototyping with relevant partners in Finland
Domain
Structural health monitoring
For
Infrastructure owners, public agencies, built-environment partners
Inspection cycles can't keep up with how infrastructure ages.
Owners are left with limited visibility between inspections, making it hard to act on early warning signs and harder still to prioritise maintenance budgets with confidence.
Infrequent
Manual inspections happen on multi-year cycles.
Costly
Traditional monitoring is hard to deploy at network scale.
Reactive
Issues are often found after they've already grown.
Continuous signal from real structure
Bridge monitoring that rides along.
SILLAN measures bridges from the vehicles that already cross them. Nothing is installed on the bridge itself.
- Ride alongA vibration sensor with GPS is fitted to a bus, truck or metro train the operator already runs.
- Measure every crossingGPS links each recording to the bridge being crossed. The same bridges are measured again and again.
- Read the bridge's fingerprintOur algorithms extract each bridge's natural frequency, a signature of its stiffness.
- Flag what's changedA sustained shift is flagged, so engineers know which bridges to inspect first. It complements inspections rather than replacing them.
Where we are
Built on 15 years of research at Aalto University's Department of Civil Engineering. References Open the demo map
Researching and developing bridge monitoring for real-world adoption.
SILLAN is a Research to Business project from Aalto University currently being developed through Aalto Innovation Services and Aalto Startup Center R2B Pre-Business Generator. The project brings together research, commercialization, and industry validation to advance a scalable approach to bridge monitoring toward market adoption.
Contact
Teddy Tran
Business Developer / Commercialization Contact
For partnerships, interviews, pilot discussions, and commercialization-related inquiries, please contact Teddy Tran.
Built for the people who keep infrastructure standing.
We're looking for partners to shape the system around real operational needs through pilots, data collaborations, and domain expertise.
Infrastructure owners
Bridge portfolios across road, rail, and municipal networks.
Public agencies
Transport authorities responsible for asset condition and safety.
Built-environment consultancies
Engineering firms advising on inspection and maintenance.
Research partners
Groups working on structural health monitoring and asset management.
Let's work together
SILLAN is a research and commercialization project currently being developed through Aalto Innovation Services and Aalto Startup Center. If you operate, oversee, or advise on bridge infrastructure, we would like to hear from you and explore how our technology can be validated in real-world conditions.