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Standard Updates - July 2003

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14.1 - Proprietary Retaining Walls (insert sheets - none)

  • Design Data - Add Note: "The maximum value of the angle of internal friction of the wall backfill material in the reinforced zone shall be assumed to be 30 degrees without certified test values."

14.2 - MSE Retaining Wall (insert sheets - none)

  • C.I.P. Traffic Barrier Or Coping Partial Elevation - Show panels as square.
  • Show parapet having a ¾" overhang. This will match the ¾" overhang on the superstructure.

19.1 - 28" Pretensioned Girder Details (insert sheets - g28.dgn, mg28.dgn - not affected)

  • Designer Notes, first sentence - remove reference to 0.6" dia. strands. Change maximum number of draped 0.5" dia. strands from 12 to 8. Change to match std. 19.9 and Chapter 19 of the Bridge Manual.

19.2 - 36" Pretensioned Girder Details (insert sheets - g36.dgn, mg36.dgn - not affected)

  • Designer Notes, first sentence - remove reference to 0.6" dia. strands. Change maximum number of draped 0.5" dia. strands from 12 to 8. Change to match std. 19.10 and Chapter 19 of the Bridge Manual.

19.3 - 45" Pretensioned Girder Details (insert sheets - g45.dgn, mg45.dgn - not affected)

  • Designer Notes, first sentence - remove reference to 0.6" dia. strands. Change maximum number of draped 0.5" dia. strands from 12 to 10. Change to match std. 19.11 and Chapter 19 of the Bridge Manual.

19.5 - 70" Pretensioned Girder Details (insert sheets - g70.dgn, mg70.dgn - not affected)

  • Designer Notes, second paragraph - remove reference to 0.5" dia. strands. Change to match Chapter 19 of the Bridge Manual.

19.6 - Pretensioned Girder Details (insert sheets - g28.dgn, g36.dgn, g45.dgn, g70.dgn, g54W.dgn, g72W.dgn, mg28.dgn, mg36.dgn, mg45.dgn, mg70.dgn, mg54W.dgn)

  • Designer Notes - Change first two paragraphs referring to haunch heights.
  • Add "Slab haunch Detail".

19.9 - 28" Pretensioned Girder Design Data (insert sheets - g28.dgn, mg28.dgn - not affected)

  • Remove columns for 0.5" dia. strands in table under undraped strands.
  • Remove columns for 0.6" dia. strands in table under draped strands. Change to match std. 19.1 and Chapter 19 of the Bridge Manual.

19.10 - 36" Pretensioned Girder Design Data (insert sheets - g36.dgn, mg36.dgn - not affected)

  • Remove columns for 0.5" dia. strands in table under undraped strands.
  • Remove columns for 0.6" dia. strands in table under draped strands. Change to match std. 19.2 and Chapter 19 of the Bridge Manual.

19.11 - 45" Pretensioned Girder Design Data (insert sheets - g45.dgn, mg45.dgn - not affected)

  • Remove columns for 0.5" dia. strands in table under undraped strands.
  • Remove columns for 0.6" dia. strands in table under draped strands. Change to match std. 19.3 and Chapter 19 of the Bridge Manual.

19.13 - 70" Pretensioned Girder Design Data (insert sheets - g72w, mg72w)

  • Remove all references to 0.5" dia. strands. Change to match std. 19.5 and Chapter 19 of the Bridge Manual.

19.18 - 54W" Pretensioned Girder Details (insert sheets - g54w, mg54w - not affected)

  • Section Thru Girder - Top flange, change spacing of longitudinal bars from 6", 9", & 6" to 3", 12", & 7". County Concrete requested that we move the two bars near the center of the girder to facilitate the placement of the stirrups. The other bars were also moved to keep the same moment of inertia.
  • Designer Notes, second paragraph - remove reference to 0.5" dia. strands. Change to match Chapter 19 of the Bridge Manual.
  • Detail A - Change #7 stirrups and note to read " 3 Pairs #7 Stirrups At Ends". Clarification.

19.19 - 54W" Pretensioned Girder Design Data (insert sheets - g54w, mg54w - not affected)

  • Remove all references to 0.5" dia. Strands.  Change to match std. 19.18 and Chapter 19 of the Bridge Manual.

19.21 - 72W" Pretensioned Girder Design Data (insert sheets - g72w - not affected)

  • Section Thru Girder - Top flange, change spacing of longitudinal bars from 6", 9", & 6" to 3", 12", & 7". County Concrete requested that we move the two bars near the center of the girder to facilitate the placement of the stirrups. The other bars were also moved to keep the same moment of inertia.
  • Designer Notes, second paragraph - remove reference to 0.5" dia. strands. Change to match Chapter 19 of the Bridge Manual.
  • Detail A - Change #7 stirrups and note to read " 3 Pairs #7 Stirrups At Ends". Clarification.

19.22 - 72W" Pretensioned Girder Design Data (insert sheets - g72wdet.dgn)

  • Arrangement For Girders With Draped Strands - remove asterisk (*) from 54 & 56 Strands. The 72W" Girder can use 54 or 56 - 0.6" diameter strands.
  • Remove "*1/2" Dia. Strands Only" from under Arrangement For Girders With Draped Strands .
  • Remove other reference to ½" dia. strands.
  • Change to match Chapter 19 of the Bridge Manual.

24.9 - Blocking & Slab Haunch Details (insert sheets - none)

  • Notes - First paragraph, second sentence, change to read "Haunch heights will normally be made 2" at edge of girder, at abutments, hinges, and field splices."Third paragraph, second sentence, change "at quarter points" to "at 0.1 points" and remove remainder of sentence.
  • Elevations At Top Of Deck & Top Of Steel - change ¼, ½, and ¾ points to 0.1, 0.2, 0.3. Remove elevations for centerline of splice at top of deck.
  • Haunch Detail - Add to "1 ¼" minimum haunch" dimension "(For Construction)".

24.10 - Girder Layout On Curve (insert sheets - none)

  • General Notes - Fourth paragraph, add "On curves < 7 degrees it may also be beneficial to curve rather than kink."

27.7 – Elastomeric Bearings For Prestressed Concrete Girders (insert sheets brelaspg.dgn - not affected)

  • Update article numbers referenced by AASHTO.
  • Expansion Bearings Table - Minor changes in the values shown in the table under "Exp. Length". The old version of this standard was based on a temperature range that was attempting to include not only effects of temperature change but creep/shrinkage effects as well. The Bridge Manual reduced the temperature range a few years ago and created a separate creep/shrinkage factor to be used. This new temperature range and creep/shrinkage factor is now being applied to the design of elastomeric bearings.  

30.12 - Sloped Face Parapet 'LF' (insert sheets lfwin.dgn, mlfwin.dgn, lfdec.dgn, mlfdec.dgn)

  • Plan View - Label bar steel for clarification.

30.13 - Sloped Face Parapet 'HF' (insert sheets - hlfwin.dgn, mhfwin.dgn, hfdec.dgn, mhfdec.dgn)

  • Plan View - Label bar steel for clarification.

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 Last modified: March 03, 2008  
 For comments or questions contact: Penny Rollins, penny.rollins@dot.state.wi.us, 608-266-5088