BRIDGE SERVICEABILITY DECEPTION TECHNIQUE DAP CAU, NORTH VIETNAM

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP79-00849A000600020004-2
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 5
• Document Creation Date: December 28, 2016
• Document Release Date: March 8, 2006
• Sequence Number: 4
• Publication Date: November 29, 1966
• Content Type: REPORT

Approved For Release 2006/
(c) NATIONAL PHOTOGRAPHIC INTERPRETATION CENTER
ATTACHMENT TO L-2352
29 NOVEMBER 1966
PAGE 1
BRIDGE SERVICEABILITY DECEPTION TECHNIQUE
DAP CAU, NORTH VIETNAM
2112N 1060SE
2. BACKGROUND:
A RAILROAD BY-PASS AND BY-PASS BRIDGE IVAS FIRST
OBSERVED IN JUNE 1960 APPROXIMATELY 0.5 NM WEST OF TIE
DAP CAU RAILROAD AND HIGHWAY BRIDGE. THIS BY-PASS
BRIDGE (DAP CAU RAILROAD BRIDGE NE) HAS NEVER BEEN
OBSERVED TO BE OPERATIONAL; SPANS HAVE BEEN MISSING AND
OBSERVED NEARBY.
TWO SPANS OP THE DAP CAU RAILROAD BRIDGE NE ARE LOCATED
ON TilE SOUTH BANK OF TILE SONG CAU AT UTMS XJ1324S9 AND
XJ1294o3. A LARGE RAFT IS OBSERVED AT UTM XJ129403.
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use
should be restricted to the particular briefing board(s) they were prepared for and must be considered valid only for the re-
porting period as indicated by the date of issue. For information concerning these notes contact Chief, Collateral Support
Division, NPIC.
GROUP
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 Approved For Release 2006/03/16 : CIA-RDFQ1?Nf J1 flag0020004-2
ATTACHMENT TO L- 2352
29 NOVEMBER 1960
PAGE 2
ONLY ONE SPAN OF THE DAP CAU RAILROAD BRIDGE NORTHEAST
IS MISSING; HOWEVER, THIS SECTION IS LOCATED ON A BARGE
JUST NORTH OF THE BRIDGE AND APPEARS TO BE IN TUE PROCESS
OF BEING EMPLACED. AS THE RESULT OF A U.S. AIR STRII:L
THE DAP CAU RAILROAD AND HIGHWAY BRIDGE IS UNSERVICEA,;LE.
T1VO SPANS LAVE BEEN DESTROYED, AND ONE SPAN HAS BEEN
DISLOCATED. TIIE NORTHERN APPROACH TO THE BRIDGE HAS
BEEN CRATERED.
These notes have been prepared for briefing purposes only and should not be used for detailed analytical work. Their use
should be restricted to the particular briefing board(s) they were prepared for and must be considered valid only for the re-
porting period as indicated by the date of issue. For information concerning these notes contact Chief, Collateral Support
 coNFlO[~pproved For Release 2@ftjf9&'@6 5 A?-ITggq9,q&@ ggW4TZCHNIQM1
DAP CAU, NORTH VIETNAM
21-12N 106-05E