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2019 Great River Road Flood Conditions

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2019 Great River Road Flood Conditions


 (Downtown Alton. Photo by Scott Evers)

Warm Spring temperatures, melting snow and heavy rainfall means rising river waters. Historic river crests have occurred along the Mississippi, Illinois and Missouri rivers and but the good news is river levels are starting to fall.

Communities along the Mississippi and Illinois rivers are open for business and ready to welcome you.

Plan your trip to the Great Rivers & Routes region using the information below:


Last updated June 24, 2019 at 9:30 a.m.
To ensure safe travels click here for updates on river levels.


CLOSED: Great River Road (Route 100) closed from Broadway Street (U.S. Route 67)  in Alton to Route 16 in Jersey County (north of Pere Marquette State Park).

CLOSED: Illinois Route 108 from Eldred to Illinois 96

CLOSED: Washington Street to Route 100 in Grafton.

CLOSED: Grafton Hills Road to Illinois Route 100 in Grafton

CLOSED: Lower lanes of U.S. 67 south of the Clark Bridge are redirected to northbound lanes limiting traffic to one lane for each direction. 

CLOSED: Lincoln Shields Access Road in West Alton and outer U.S. 67 road to Riverlands Way

CLOSED:  Riverlands Way, West Alton, MO

CLOSED: Levee gates at Illinois Routes 3/111 in East Alton (to reopen late Tuesday, June 11)

CLOSED: County Highway 2 to Crooked Creek Road in Mozier

CLOSED: Jefferson Street to Route 100 in Kampsville

CLOSED: Illinois Route 16 to Pike County line near Hardin in Calhoun County is closed.

CLOSED: Joe Page Bridge, Hardin, effective Saturday, June 1

CLOSED: Illinois Routes 16/100 in Greene County

CLOSED: Illinois Route 100 in Calhoun County from just north of the Joe Page Bridge to Pearl

CLOSED: Eldred Road to Illinois River near East Hardin in Greene County

CLOSED: Route 100 to Eldred

Take another route to Pere Marquette State Park during high waters.


Brussels Ferry is CLOSED

Golden Eagle Ferry is CLOSED

The Winfield Ferry is CLOSED

The Grafton Ferry is CLOSED



Hakuna Matata River Boat Cruises

Piasa Palisades Nature Hikes



Alton Visitor Center, Alton

The Loading Dock, Grafton

Hawg Pit, Grafton

Raging River Water Park, Grafton: Reopening Wednesday, July 3

Argosy Casino Alton: Reopening Tuesday, June 25.

Morrison's Irish Pub, Alton

Riverfront Park, Alton

Audubon Center, West Alton, MO: Reopening Saturday, June 29

Two Rivers Wildlife Refuge, Brussels

Grafton Oyster Bar, Grafton: Reopening Friday, June 28

Grafton Harbor: Reopening Friday, June 28

MORE: List of events


(Photo by Scott Evers)

River Levels at Alton
The Mississippi River crested at 39.1 feet Sunday, June 9. Water levels are currently at 32.4 feet and in the moderate flood category.


Flood Impact

42.7: Record Level reached Aug. 1, 1993

40 Feet: Railroad tracks from Wood River to Alton begin to flood.

37.1 Feet: Damages begins at Ardent Mills in Alton within a foot of this height.

36.1 Feet: Height of the Lincoln Shields levee just below the Missouri side of the Clark Bridge.

35.3 Feet: At this level, Melvin Price Locks & Dam will close to navigation. This last occurred on July 10, 1993.

34.2 Feet: Near this height water will begin flowing over Riverlands Way between U.S. 67 and Mel Price Locks & Dam.

32.9 Feet: Riverfront Park begins flooding.
31.5 Feet: Commercial basements in Alton begin to flood.
29.9 Feet: Great River Road in Alton closes.
28.8 Feet: Great River Road begins flooding at Clifton Terrace.
25 Feet: Access road to Lincoln Shields area begins flooding
21 Feet: Flood stage. Minor flood begins.

River Levels at Grafton

The Mississippi River crested at 35.17 feet Friday, June 7. Water levels are currently at 29.2 feet and are still in the major flood category.


Flood Impact

38.2 Feet: 1993 Record

32.1 Feet: Methodist Church at Main Street and Vine Streets begins flooding.

30.1 Feet: Water reaches the intersection of Main Street and Maple Street

29.1 Feet: Water reaches Main Street at Church Street.

29 Feet: Route 100 between Grafton and Alton at Clifton Terraces is flooded at this height.

28.4 Feet: Water reaches Main Street at the Visitors Center

28.3 Feet: The intersection at Great River Road and Main Street floods.
26.4 Feet: Residential flooding in Grafton occurs.
25.5 Feet: Brussels Ferry closes near this height. O’Jan’s Fish Stand in Grafton closes near this height.
24.7 Feet: City of Grafton closes Route 100 near Evans Street. Also at this level, the Catholic Church parking lot at Main & Evans begins flooding. This represents the lowest point on Main Street in Grafton.
24 Feet: Route 100 begins flooding at Chautauqua and Elsah.
21.9 Feet: In northern St. Charles County, Grafton Ferry Road is closed.

River Levels at Hardin

The Illinois River at Hardin crested at 40.24 feet Friday, June 7. The river level is now 34.81 feet.


Flood Impact
34 Feet: Route 100 is flooded north of Hardin.
33.79 Feet: Route 96 is overtopped in Kampsville.
32.7 Feet: Kampsville Inn begins flooding.
32 Feet: Water Street in Hardin begins flooding.
25 Feet: Flood stage

(All information provided by the NOAA)

Why would the road be closed?
One of the many signatures of spring,  summer, and fall in this region is the rising of the Mississippi and Illinois rivers. Every couple of years, heavy rains lead to the swelling of the river beyond its banks. This year happens to be one of those years.

MORE: Explore the Great River Road

Can you still drive and ride along the scenic byway?
No. The scenic byway between Alton and Grafton is currently closed.
Are the events scheduled for this weekend still happening?
Please check our events calendar at VisitAlton.com or RiversandRoutes.com for complete event details.
Is it okay to plan a trip?  Will the businesses be open?
We hope that this little "bump in the road" won't stop you from visiting us all around Alton. This is the prime season to roll the windows down, relax and enjoy the drive! The riverside restaurants and wineries in Grafton are calling your name. Grab your bike or hiking shoes for an adventure you won't soon forget at Pere Marquette State Park.  There is no better time than the present to getaway!

MORE: Find amazing deals to use on your getaway

If you have additional questions or concerns, do not hesitate to ask us a question by chatting with us by clicking on the chat button on the bottom right-hand corner of this page. You can also call the Alton Visitor Center at (800) 258-6645.