May 20, 2012
River Conditions
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May 18th, 2012
Dredging operations have commenced at Upper Miss 589.5 and will continue for
approximately 3 months.
Hannibal RR Bridge (Upper Miss 309.9) will be requiring 6-hour closures (9:00 am to
3:00 pm) on June 5,7,12 and 14 to replace haul ropes. From 9:00 am to 3:00 pm on
June 4, 6, 11 and 13 the bridge will be open to navigation.
between June 4th and August 31st.
R.C. Byrd Lock (Ohio River 279) will be closed for gate casting replacement between
September 3rd and December 21st.
Markland Lock (Ohio River 531.5) - the remaining work for the major rehab of the main
lock chamber is scheduled from June 18th through August 3rd. All traffic will continue
to be passed through the auxiliary lock until the work is completed. The auxiliary
chamber is scheduled for closure from August 4th through August 15th. During this
period a repair crew will perform repairs to the Emergency Gate Closure for this
chamber. No current delay.
Lock 52 (Ohio River 938.9) has no current delay.
Meldahl Lock (Ohio River 436.2) will have a miter gate changeout between March 5th
and June 1st. This will result in the auxiliary chamber being closed during this period.
No current delay.
The main chamber of Lock and Dam 53 (Ohio River 962.6) will have intermittent lock
closures from August 20th, 2012 through October 26th, 2012. These closures will not
exceed 10 hours each and will be used for installation of filling and emptying valves.
The auxiliary chamber of the lock will also have intermittent closures during this
same time period. At no time will both lock chambers be closed simultaneously.
River Gauges
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May 18th, 2012
CAIRO--------------- 28.00' (normal pool 20') (flood stage 40')
ST. LOUIS---------- 14.83'(normal pool 13') (flood stage 30')
CAPE GIRARDEAU 22.84' (normal pool 15') (flood stage 32')
MEMPHIS----------- 13.99' (normal pool 10') (flood stage 34')
NEW ORLEANS--- 6.33' (flood stage 17')
LOUISVILLE---- 12.50' (normal pool 12') (flood stage 23')'
Lock Closures
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2012....
Ohio River.....
Greenup Lock (Mile 341) main chamber will be closed for miter gate
replacement between June 4th and August 31st.
R.C. Byrd Lock (Mile 279) main chamber will be closed for gate casting
replacement between September 3rd and December 21st.
Markland Lock (Mile 531.5) the remaining work for the major rehab of
the main lock chamber is scheduled from June 18th through August 3rd.
All traffic will continue to be passed through the auxiliary lock until the
work is completed. The auxiliary chamber of the lock will be closed from
August 4th through August 15th for repairs to the Emergency Gate
Closure.
Meldahl Lock (Mile 436.2) will have a maiter gate changeout between
March 5th and June 1st. This will result in the auxiliary chamber being
closed during this period.
Lock and Dam 53 (Mile 962.6) will have intermittent lock closures
between August 20th and October 26th for the installation of filling and
emptying valves. These closures will not exceed 10 hours. The auxiliary
chamber of the lock will also have intermittent closures, but at no time
will both lock chambers be closed.
Tennessee River....
Wilson Main Lock (Mile 259.4) the lock is scheduled for closure to
navigation from 06:00 on April 24th through 18:00 on May 17th. The
auxiliary lock will be available to pass traffic during this time.
Kentucky Lock (Mile 22.4) expect longer lockage times and temporary
delays 4/2 through 5/25. There will be 8 periods where the lock will be
closed for 12 hours. Work will be performed 20 hours per day.
Kentucky Lock (Mile 22.4) the lock is scheduled for closure to navigation
from 06:00 on June 19th through 18:00 on July 26th to inspect and
repair the underwater components of the lock. No auxiliary lock will be
available, but traffic will be able to pass through an alternate route via
the Cumberland River through Barkley Lock and Barkley Canal.
Chickamauga Lock (Mile 471.0) will be closed to navigational traffic
between August 21st and September 13th. No auxiliary lock will be
available during this time.
Cumberland River.....
Cheatham Lock (Mile 148.7) will be closed to navigational traffic
between October 16th and November 15th to inspect and repair the
underwater components of the lock. No auxiliary lock will be avaialble
during this closure to pass traffic.
Tenn Tom......
Rankin Lock (TT 398.4) and Montgomer Lock (TT 406.7) will be closed
beginning at 06:00 on September 11th and end by 18:00 on September
16th.
Arkansas River.....
Chateau L/D (401.4) is scheduled to be closed from 12AM August 20th
until 12PM September 9th, 2012 to repair downstream pintle balls and
bushings. Mariners may contact the lock operator for further
information.
Ozark-Jeta Taylor (256.8) is scheduled to be closed for maintenance
and repair from 1:00 A.M. July 30th until 11:00 P.M. August 6th, 2012.
Mariners may contact the lock operator for further information.
Dardanelle L/D (205.5) is scheduled to be closed for maintenance and
repair from 1:00 AM August 22nd until 11:00 PM September 3rd, 2012.
Mariners may contact the lock operator for further information.
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