Automated Infrastructure Assessment
Why LiDAR for Transportation Infrastructure
Bridges and roads exist in complex environments—over waterways, through forests, alongside utilities. LiDAR captures all of this context in a single dataset.
Bridge Inspection Deliverables
Bridge Deck Classification
Lidarvisor automatically classifies bridge deck surfaces, enabling:
• Surface analysis for flatness and grade
• Clearance measurement to waterway below
• Volume calculations for deck replacement planning
• Change detection comparing surveys over time
Digital Terrain Model (DTM)
The terrain beneath and surrounding bridges is critical for:
• Scour analysis near abutments
• Approach grading design
• Drainage planning
• Embankment stability monitoring
Road Corridor Deliverables
- Classified Point Cloud — with bridge deck separated from terrain
- DTM Raster — GeoTIFF for terrain analysis
- Contour Lines — DXF at engineering-grade intervals (0.25m-0.5m)
- Slope Map — for drainage and stability analysis
Traditional Inspection
- ❌ Requires lane closures and traffic control
- ❌ Limited to what inspectors can see and reach
- ❌ Subjective condition ratings
- ❌ No quantitative dimensional data
LiDAR-Based Inspection
- ✅ Minimal traffic disruption
- ✅ Complete coverage including inaccessible areas
- ✅ Quantitative measurements for change detection
- ✅ Permanent record for comparison over time
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