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Tree Roots Lifting Sidewalks and Driveways
in Springfield, MA
Springfield's heavy clay soil does not drain well, so tree roots stay close to the surface where the soil is looser and easier to move through. Neighborhoods like Indian Orchard and the South End have a lot of older maples and oaks with roots that have been working under sidewalks and driveways for 30 or 40 years. Once the concrete starts lifting, someone is going to trip.
Quick Answer
In Springfield, large street trees and old silver maples push roots near the surface because the heavy clay soil here blocks deep root growth. Those roots lift concrete slabs and create serious trip hazards. Root pruning combined with slab repair stops the immediate damage. Left alone, the roots keep growing and the cracking gets worse.
Telltale Signs
Warning Signs to Watch For
- Concrete slabs tilted or raised on one edge near the base of a tree
- Long cracks running through pavement that follow the line of a large root
- Visible root humps pushing up through asphalt or lawn areas
- Driveway pavers popping out of alignment near the tree
- Trip hazard noticeably gets worse every spring after frost heave
- Roots visible in the gap between two lifted concrete sections
Root Causes
What Causes Tree Roots Lifting Sidewalks and Driveways?
Heavy Clay Soil Blocking Deep Root Growth
Springfield sits on dense glacial clay in many areas. Roots cannot push through it easily, so they spread sideways just a few inches down where the soil is soft. That puts them right under any pavement nearby.
The Fix
Root Pruning and Barrier Installation
We cut the roots causing the lift at a safe distance from the trunk, then install a root barrier in the trench to redirect future growth downward. This protects the pavement without killing the tree.
Tree Planted Too Close to Pavement Originally
Many Springfield streetside trees were planted within 3 to 5 feet of the sidewalk decades ago when smaller species were expected. Some grew into large trees with spreading roots that were always going to reach the concrete.
The Fix
Selective Root Pruning or Tree Removal
If the tree is too close to the pavement to fix the problem with pruning alone, removal may be the only real answer. We can tell you after a look whether the tree is worth keeping in that spot.
Self-Diagnosis
Which Cause Applies to You?
Check the signs you're observing to narrow down the likely root cause before your inspection.
| What You're Seeing | Heavy Clay Soil Blocking Deep Root Growth | Tree Planted Too Close to Pavement Originally |
|---|---|---|
| Roots visible just under the surface across a wide area | ||
| Tree is within 4 feet of the sidewalk and has a large trunk | ||
| Lifting started gradually over many years and affects a wide section | ||
| Same problem is on both sides of a shared sidewalk with two trees | ||
| Pavement was recently replaced but roots are already cracking it again |
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