Question Archive: 2013

ID Problem Title State Date Asked Date Last Answered
783 Pinned PCB December 18, 2013 December 18, 2013
766 Charpy V-Notch Requirement for Crash Tested Steel Post & Rail System WI December 11, 2013 January 29, 2014
760 Using a Blockout with MGS Bridge Rail IA December 2, 2013 December 10, 2013
755 TL-3 Railing for Timber Bridge WY November 26, 2013 December 10, 2013
754 "Slight" Modification to IL F-shape Temporary Concrete Barrier IL November 25, 2013 November 25, 2013
753 Unanchored Stepped Concrete Median Barrier MO November 15, 2013 November 18, 2013
752 Temporary barrier to permanent barrier transition for undirectional traffic WI November 15, 2013 November 15, 2013
751 Temporary Concrete Barrier IL November 12, 2013 November 15, 2013
750 Thire beam transition to New York 3 and 4 rail WI October 23, 2013 October 29, 2013
749 Curb termination or transition below MGS stiffness transition WI September 18, 2013 September 18, 2013
761 Development of TL-3 Transition Between Concrete Barrier and Guardrail CT September 13, 2013 December 10, 2013
737 bolt specification question WI September 10, 2013 September 11, 2013
744 MGS comb curb August 23, 2013 August 23, 2013
746 Shallow Post Embedment IA August 19, 2013 August 19, 2013
739 Guardrail posts in concrete August 16, 2013 August 16, 2013
740 Movement of cable anchors OH August 12, 2013 August 12, 2013
736 Connection of Free Standing 42-Inch Conc. Barrier to Concrete Bridge Rail at Expansion Joint WY August 5, 2013 August 23, 2013
735 Beam guard bolt through box culvert deck option WI August 5, 2013 August 6, 2013
734 flaring beam guard transitions to permanent barrier WI August 5, 2013 August 6, 2013
733 TTI TL-2 transitions 9-1002-8 WI July 30, 2013 August 2, 2013
748 Strength requirements for temporary barrier epoxy anchors July 26, 2013 September 12, 2013
747 Temporary concrete barrier & guardrail overlap OH July 23, 2013 July 24, 2013
741 Guardrail Connection Geometry MN July 18, 2013 July 18, 2013
742 Bullnose Configuration NE July 9, 2013 September 12, 2013
745 Steel Post, Downstream Anchorage for MGS MN June 27, 2013 June 27, 2013
743 Extra splice bolt OH June 24, 2013 June 24, 2013
708 TCB Transitions to Permanent Barriers IA June 10, 2013 July 1, 2013
713 MGS median barrier OH June 10, 2013 June 11, 2013
707 Tolerances for Timber Posts WY May 31, 2013 June 3, 2013
729 MGS attached to concrete paving or deck May 22, 2013 May 22, 2013
706 10 Foot NJ Temporary Concrete Barrier on Bridge Deck, 30 mph Speed WY May 21, 2013 May 21, 2013
727 Curbs at bridge rail approach transitions IA May 21, 2013 May 21, 2013
714 MGS Thrie Beam Median Barrier WI May 19, 2013 May 23, 2013
704 MASH bridge rails WI May 13, 2013 May 13, 2013
701 blocked MGS in front of a retaining wall WI May 10, 2013 May 30, 2013
710 MGS BLOCK ROTATION May 8, 2013 May 28, 2013
694 welded beam guard atttachment to low-fill culverts WI May 2, 2013 May 15, 2013
693 cable barrier line post footing design WI May 2, 2013 May 13, 2013
709 Guardrail on Soil Nail Walls WA May 1, 2013 May 1, 2013
723 Backup Plates OH May 1, 2013 May 1, 2013
730 Swapping MGS post locations at obstructions IA May 1, 2013 June 13, 2013
731 Taper on end of concrete barrier MN April 24, 2013 April 25, 2013
725 Barrier height on outside of superelevation WI April 8, 2013 April 8, 2013
692 Yield Line Analysis calculation example MN April 6, 2013 April 29, 2013
688 Rigid Barrier Height Transitions IA April 2, 2013 May 15, 2013
678 Cadd Drawing for WSDOT General Missing Installation Detail WI March 14, 2013 March 21, 2013
724 Concrete Barrier Design Guidance with End Sections MN March 6, 2013 April 29, 2013
726 Coring concrete barrier March 6, 2013 March 7, 2013
675 4" Edge Curb (MGS Guardrail Approach Transition) KS March 1, 2013 March 1, 2013
650 Design Forces for Traffic Railings MN March 1, 2013 March 2, 2013
651 MGS Thrie Beam Curb KS February 26, 2013 February 26, 2013
728 Guardrail connection to low fill culverts NE February 14, 2013 June 4, 2013
646 modifying TTI TL-2 31" guardrail WI February 8, 2013 February 11, 2013
645 MGS Post Leave-out Size in Mow Strips and Other Pavements WY February 7, 2013 February 7, 2013
647 Barrier Scupper WI January 30, 2013 January 31, 2013
641 Ballasting Work Zone Devices MO January 30, 2013 February 28, 2013
648 Deflection for MGS - Distance from the Front Face of Rail to a Fixed Object Hazard WY January 30, 2013 February 2, 2013
658 TL-5 Median barrier January 28, 2013 January 30, 2013
638 post proximity to underground obstruction WI January 24, 2013 February 4, 2013
637 crash cushion layouts for various situations WI January 23, 2013 May 10, 2013

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