Monocacy River at Bridgeport, MD
River level and flood forecast · Frederick County
The river is 8.7 ft below flood stage (13 ft).
Flow: 352 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Monocacy River at Bridgeport to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 25 ft |
| Moderate flood stage | 21 ft |
| Flood stage | 13 ft |
| Action stage | 11 ft |
| Record crest (June 19, 1996) | 25.42 ft |
What floods at each level
From the National Weather Service, highest first.
- 25 ftSignificant flooding is occurring on both sides of the river with homes and roads flooded.
- 23.5 ftWater covers the Taneytown Pike bridge over the Monocacy. The road on each side will already be underwater.
- 21 ftWater approaches homes on the Frederick County side near Bridgeport.
- 20 ftTaneytown Pike begins to flood on both sides of the river.
- 16 ftFlooding of fields and yards begins near Bridgeport.
- 13 ftBaptist Road near Bridgeport begins to flood.
- 11 ftWater begins to overflow downstream areas, but is not affecting any property.
Highest crests on record
- 25.42 ft — June 19, 1996
- 24.05 ft — June 22, 1972
- 23.18 ft — October 9, 1976
- 20.53 ft — May 21, 1943
- 20.47 ft — April 17, 2011
Recent crests: 15.99 ft (January 10, 2024) · 13.41 ft (December 23, 2022) · 13.89 ft (May 7, 2022) · 16.53 ft (September 23, 2021) · 19.04 ft (September 2, 2021)
Up and down the river, and nearby
- DownstreamMonocacy River at Monocacy Blvd. in Frederick, MD
- Big Pipe Creek at Bruceville, MD
- Cranberry Branch near Westminster, MD
- Antietam Creek near Waynesboro, MD
- Monocacy River near Frederick at Interstate 70, MD
- Bermudian Creek near Heidlersburg, PA
- Morgan Run near Louisville, MD
- Beaver Run near Finksburg, MD
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BDGM2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.