Question Archive: 2018

ID Problem Title State Date Asked Date Last Answered
1277 AGT minimum length OH December 5, 2018 December 6, 2018
1275 Standard MGS W-Beam with Weak Soil IN November 27, 2018 December 4, 2018
1262 Bridge Pier and other nearby hazards SC October 17, 2018 October 30, 2018
1270 Anchored PCB placed behind free standing crash cushion - Shielding Piers UT October 9, 2018 October 9, 2018
1265 Guardrai Post alignment and which post bolt hole to utilze October 4, 2018 October 5, 2018
1263 Mis-fabricated Stirrup for Barrier Rail, RFI 90, Project IM-NHS-074-1(199)5--03-82, 2274' Welded Girder Bridge-WBL IA October 3, 2018 October 3, 2018
1259 Approach Guardrail Transition Attach to 8" Concrete Sidewalk NJ September 27, 2018 October 23, 2018
1258 Shorten MGS Post Length to Bridge Guardrail over Two Large Pipes IN September 19, 2018 September 24, 2018
1273 Length of guardrail damage during impact IA September 7, 2018 September 7, 2018
1268 Guardrail over shallow culvert ME September 7, 2018 September 10, 2018
1267 MGS Trailing end Anchorage September 7, 2018 October 30, 2018
1257 MGS Adjacent to mixed fill OH September 7, 2018 September 11, 2018
1274 Traffic Barrier Terminal (AGT) MASH Guidance IL August 31, 2018 August 31, 2018
1264 UBSP Bolt Hardware NE August 30, 2018 August 30, 2018
1269 Standardized AGT Buttress VA August 29, 2018 August 29, 2018
1256 Chamfer on Corners WI August 21, 2018 August 21, 2018
1266 Guardrail Blockout compressive Strength NE August 15, 2018 August 15, 2018
1234 MGS in median OH August 3, 2018 August 15, 2018
1246 MASH 2016 Cable Barrier Testing Matrices SC July 23, 2018 July 27, 2018
1260 Request for clarification to MwRSF regarding stick wleding of side-mounted weak-post guardrail July 23, 2018 August 14, 2018
1241 Request to use IaDOT Concrete Barriers NE July 20, 2018 July 20, 2018
1271 Guardrail Downstream Anchorage - TRP-03-279-13 FL July 18, 2018 July 26, 2018
1244 Guardrail Downstream Anchorage - TRP-03-279-13 FL July 18, 2018 July 25, 2018
1232 F-Shaped Median Barrier IN June 27, 2018 June 28, 2018
1254 Zone of Intrusion question VA June 21, 2018 June 22, 2018
1242 Guidance on guardrail placed beyond 12' offset from curb SC June 19, 2018 June 21, 2018
1247 MASH Barrier Height Retrofit MO June 19, 2018 June 24, 2018
1237 Shims in our standard transition sections IA June 14, 2018 June 15, 2018
1240 MASH Jan 2019 Drawing Transmittal SC June 14, 2018 June 25, 2018
1245 Guardrail Layout Question IN June 13, 2018 June 15, 2018
1249 Steel Post Section And Grade For AGT's NJ June 12, 2018 June 18, 2018
1250 Plant Mix Curb Under MGS Guardrail WY June 7, 2018 June 7, 2018
1251 Reduced Deflection PCB IN May 30, 2018 May 31, 2018
1239 Post in Rock Detail Review SC May 24, 2018 May 27, 2018
1243 MASH TL-2 Concrete Barriers SD May 22, 2018 May 23, 2018
1238 Approach Curb with a Type 6A Terminal IL May 22, 2018 May 25, 2018
1230 Blockout Dimensions and Material IN May 21, 2018 May 21, 2018
1231 Alternate blockout material OH May 21, 2018 May 22, 2018
1253 TL-3 Reinforcement and Anchorage KS May 8, 2018 May 11, 2018
1248 MGS Trailing anchorage May 2, 2018 May 2, 2018
1235 Anchored Temporary Barrier Wall SC May 1, 2018 May 2, 2018
1211 UBSP Post Base Galvanization Vent Hole April 26, 2018 April 26, 2018
1252 Temporary barrier rail questions - Flare at Ends IA April 26, 2018 April 27, 2018
1223 Thrie Beam lapping at end shoe connection WI April 23, 2018 April 24, 2018
1217 BR27 Railing VA April 11, 2018 April 25, 2018
1214 MGS close to retaining wall OH April 10, 2018 April 10, 2018
1213 Flare Rates for Permanent CSB and Thrie-Beam AGT in Downstream Applications KS April 4, 2018 April 27, 2018
1220 Concrete Barrier Connector Plate VA March 22, 2018 April 2, 2018
1229 W-beam Adjacent to Slopes with 11' long Posts NE March 21, 2018 March 22, 2018
1215 MGS Transition Connector Problems MO March 8, 2018 March 15, 2018
1226 Tolerance on the Length of Wood Guardrail Posts WY March 8, 2018 March 8, 2018
1225 TL-4 MINNESOTA COMBINATION TRAFFIC/BICYCLE BRIDGE RAIL - TRP-03-74-98 - November 30, 1998 MN February 28, 2018 March 1, 2018
1219 Bridge Rail Rating Inquiry MO February 27, 2018 February 28, 2018
1224 MASH Bridge Rail Modifications IA February 22, 2018 February 23, 2018
1210 Temporary Barrirer-Reinforcement WI February 21, 2018 February 23, 2018
1227 Transition from anchored TBR to unanchored TBR IA February 13, 2018 February 13, 2018
1212 Trailing End Strut February 9, 2018 April 25, 2018
1228 Vertical Taper Rate for Concrete Barrier VA February 8, 2018 February 9, 2018
1216 Kansas Pin and Loop PCB - Transition from freestanding to bolted/permanent on concrete pavement February 7, 2018 February 8, 2018
1218 Thrie-beam AGT Review NE February 2, 2018 February 7, 2018
1201 Guardrail terminal connection IL January 19, 2018 January 29, 2018

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