!4s3b
!4s3b
is a Marker place
on the Mississippi (Upper River) between
Coon Rapids Dam (Limit of navigation - no access above dam) (26.40 miles
and 3 locks
to the northwest) and
Mississippi - Illinois Junction (Junction of the Mississippi River with the Illinois River ) (636.44 miles
and 24 locks
to the southeast).
The nearest place in the direction of Coon Rapids Dam is Lexington Avenue Bridge;
1.46 miles
away.
The nearest place in the direction of Mississippi - Illinois Junction is Omaha Railroad Bridge Number 15;
0.48 miles
away.
Mooring here is unrated.
| Lexington Avenue Bridge | 1.46 miles | |
| Marker place "!4s06" | 1.14 miles | |
| Marker place "!4s07" | 0.78 miles | |
| Marker place "!4s08" | 0.45 miles | |
| Marker place "!4s39" | 0.24 miles | |
| Marker place "!4s3b" | ||
| Marker place "!4s3c" | 0.24 miles | |
| Omaha Railroad Bridge Number 15 | 0.48 miles | |
| Marker place "!4s3d" | 0.82 miles | |
| Marker place "!4s3e" | 1.34 miles | |
| High Bridge (St. Paul) | 1.52 miles | |