Iowa / Mississippi River /

Credit Island Boat Ramp

Boat ramp · on Mississippi River · near Davenport · Iowa

Zebra mussels

Zebra mussels (latest report 2014) reported in Mississippi River 740 m from this launch (USGS Nonindigenous Aquatic Species database). Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.

USGS Nonindigenous Aquatic Species database · checked October 18, 2026

Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.

At the launch

Type
Boat ramp
Car parking
20 spaces
Coordinates
41.50163, -90.60773

Directions (Google) Apple Maps

Channel depths in feet from the Army Corps' surveys (Rock Island District; the one nearest this launch is of June 7, 2024). Not for navigation.

Conditions

On the river

River mile 480.5 on Mississippi River · U.S. Army Corps of Engineers Navigation Mile Markers, placed between its mile markers

River hazards

Keep well clear of dams: strong currents and restricted zones above and below them.

  • Dam, 2.3 mi upstream: Mississippi River Lock & Dam No. 15 (large impoundment), 41 ft. · Iowa DNR River Programs dam hazards

Up to 10 river miles each way, from the agencies' inventories; not every hazard is listed and rivers change. Scout before you go.

Sources: U.S. Army Corps of Engineers Navigation Mile Markers, Iowa DNR River Programs dam hazards.

Channel survey

The Army Corps surveys the channels it maintains and posts every survey.

  • Upper Mississippi River Pool 16 · 0.1 mi from this launch
    Hydrographic survey of June 7, 2024 by the Rock Island District. Soundings on the sheet down to 10.7 ft below the pool's low control level, with bars at or above it; the Corps maintains a 9 ft channel here. Survey sheet (PDF)

US Army Corps of Engineers hydrographic surveys, from eHydro. A survey shows the bottom on the day it was made; channels shoal after high water and change with dredging. Not for navigation.

On Mississippi River

River in Iowa. All launches on Mississippi River.

Community

Where people who use Mississippi River talk about it.

Nearby launches

Sources

Why it is listed as public: listed by Iowa DNR Water Accesses. Something wrong, or is this launch private? Send a correction; it goes to a person.