Bridge Fire
200736,729 acresIdaho and Montana
The Bridge Fire burned 36,729 acres, about 57 square miles, across 2 counties. It began on July 18, 2007.
Watch how it happenedBridge Fire · 2007
How it happened
Watch it burn in the order satellites saw it, coloured by how severely each place burned.
How severely it burned
Burn severity inside the final perimeter, classified from Landsat images taken before and after the fire.
| Severity | Share | Acres |
|---|---|---|
| Highmost vegetation consumed, soils altered | 31% | 11,542 |
| Moderatemixed: many trees killed, some survive | 26% | 9,671 |
| Lowsurface fire, most trees survive | 19% | 6,982 |
| Unburned to lowislands inside the perimeter, little change | 22% | 8,149 |
| Increased greennessvegetation greener after the fire than before | 1.0% | 384 |
31% of the area inside the perimeter burned at high severity, about 11,542 acres; 58% burned at moderate or high severity.
Monitoring Trends in Burn Severity (U.S. Geological Survey and USDA Forest Service). Classes come from the change in a Landsat burn index (dNBR) between images before and after the fire; acres are each class’s share of the fire’s mapped area.
Where it burned
Acres inside each county, measured from the satellite-mapped perimeter.
| Idaho County | ID | 36,727 |
| Ravalli County | MT | 4 |
Other large fires in Idaho and Montana in 2007
- Murphy Complex567,212 acres
- East Zone Complex (Raines)318,567 acres
- Cascade Complex (Monumental)317,014 acres
- Rattlesnake Fire102,464 acres
- Chippy Creek Fire95,636 acres
- Battle Creek Complex (Battle Creek)79,057 acres
- Black Pine 2 Fire69,896 acres
- Sawmill Complex (Wyman 2)68,250 acres
Monitoring Trends in Burn Severity (USGS and U.S. Forest Service). Type recorded: Wildfire.