{"id":1034,"date":"2021-12-20T19:56:00","date_gmt":"2021-12-20T23:56:00","guid":{"rendered":"https:\/\/www.resensys.com\/Blog\/?p=1034"},"modified":"2025-04-09T09:01:20","modified_gmt":"2025-04-09T13:01:20","slug":"crack-in-steel-of-mississippi-river-bridge-halts-traffic-and-river-commerce-how-resensys-can-help","status":"publish","type":"post","link":"https:\/\/www.resensys.com\/Blog\/crack-in-steel-of-mississippi-river-bridge-halts-traffic-and-river-commerce-how-resensys-can-help\/","title":{"rendered":"Resensys Wireless systems used to monitor I-40 over Mississippi River Bridge"},"content":{"rendered":"\n<p>On May 12, 2021 a crack found in the <a href=\"https:\/\/www.washingtonpost.com\/nation\/2021\/05\/14\/memphis-bridge-crack\/\">I-40 bridge connecting Arkansas and Tennessee<\/a>.&nbsp; This crack in a steel beam caused the bridge to be shut down immediately, resulting in traffic re-routing and massive efforts to ease the resulting congestion. The bridge was closed for about three months and the cost of closure of that bridge was estimated to be $2 million per day (according to <a href=\"https:\/\/www.localmemphis.com\/article\/money\/mid-south-businesses-losing-millions-in-revenue-while-the-i-40-bridge-remains-closed\/522-7d495178-feab-405c-a2d0-b6621fa6a5cc\">this article<\/a>). <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.localmemphis.com\/article\/money\/mid-south-businesses-losing-millions-in-revenue-while-the-i-40-bridge-remains-closed\/522-7d495178-feab-405c-a2d0-b6621fa6a5cc\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/IMG_0249-1024x683.jpg\" alt=\"A crack in a steel beam, found the day before, has forced the closure of the Interstate 40 bridge that connects Arkansas and Tennessee, Wednesday, May 12, 2021, in Memphis, Tenn.\" class=\"wp-image-1161\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/IMG_0249-1024x683.jpg 1024w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/IMG_0249-300x200.jpg 300w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/IMG_0249-768x512.jpg 768w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/IMG_0249-1536x1024.jpg 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption> A crack in a steel beam, found the day before, has forced the closure of  the Interstate 40 bridge that connects Arkansas and Tennessee,  Wednesday, May 12, 2021, in Memphis, Tennessee. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/4175-768x1024.jpg\" alt=\"Installed Resensys Wireless Strain Gauge SenSpot Sensors I-40 Bridge Detect Cracks Memphis Interstate 40 Bridge Connecting Arkansas and Tennessee Structural Health Monitoring\" class=\"wp-image-1153\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/4175-768x1024.jpg 768w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/4175-225x300.jpg 225w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/4175-1152x1536.jpg 1152w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/4175-1536x2048.jpg 1536w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/4175-scaled.jpg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption>On May 12th, 2021, a crack was detected in main load bearings member of an I-40 bridge in Memphis, Tennessee and as a result, the bridge was closed immediately for the emergency\nrepair.<\/figcaption><\/figure>\n\n\n\n<p>To monitor the bridge during emergency repair a network of 44 Resensys wireless strain gauge SenSpots and two Resensys SeniMax gateways was installed on the bridge within 24 hours. Being wireless was a huge advantage to facilitate quick installation of the instruments on the massive structure. The sensors have been monitoring the bridge during the repairs and after reopening. <\/p>\n\n\n\n<p>Resensys <a href=\"https:\/\/www.resensys.com\/r20\/wireless-products-senspot\/critical-component-condition-monitoring-instrumentation.html\">SenSpot\u2122<\/a>  systems provide convenient, easy to install, system-compatible high-performance data, Resensys monitoring systems were also a part of the immediate decision-making during the repairs. Resensys\u2019 systems can easily provide data to  help bridge engineers gather information around real time strain or stress in critical members, crack progression, tilt or other  quantities. And once the bridge was repaired in August 2021, monitoring thereafter has been helping to ensure that the repairs are holding as expected and the issue is not recurring.&nbsp;  The following pictures show examples of Resensys wireless strain gauges installed on this I-40 bridge. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/2021-06-18-16.11.39-1024x768.jpg\" alt=\"Installed Resensys Wireless Strain Gauge SenSpot Sensors I-40 Bridge Detect Cracks Memphis Interstate 40 Bridge Connecting Arkansas and Tennessee Structural Health Monitoring\" class=\"wp-image-1163\" width=\"781\" height=\"586\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/2021-06-18-16.11.39-1024x768.jpg 1024w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/2021-06-18-16.11.39-300x225.jpg 300w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/2021-06-18-16.11.39-768x576.jpg 768w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/2021-06-18-16.11.39-1536x1152.jpg 1536w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/2021-06-18-16.11.39-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 781px) 100vw, 781px\" \/><figcaption>Installed <a href=\"https:\/\/www.resensys.com\/r20\/wireless-products-senspot\/metal-structural-precision-strain-stress-gauge-low-power-high-sample.html\">Wireless Strain Gauges SenSpot<\/a> Sensors on I-40 Bridge <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/05\/2021-06-18-16.02.31-1-1024x768.jpg\" alt=\"Installed Resensys Wireless Strain Gauges SenSpot Sensors I-40 Bridge Detect Cracks Memphis Interstate 40 Bridge Connecting Arkansas and Tennessee Structural Health Monitoring\" class=\"wp-image-1137\" width=\"784\" height=\"588\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/05\/2021-06-18-16.02.31-1-1024x768.jpg 1024w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/05\/2021-06-18-16.02.31-1-300x225.jpg 300w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/05\/2021-06-18-16.02.31-1-768x576.jpg 768w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/05\/2021-06-18-16.02.31-1-1536x1152.jpg 1536w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/05\/2021-06-18-16.02.31-1-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 784px) 100vw, 784px\" \/><figcaption>Installed <a href=\"https:\/\/www.resensys.com\/r20\/wireless-products-senspot\/metal-structural-precision-strain-stress-gauge-low-power-high-sample.html\">Wireless Strain Gauge SenSpot<\/a> Sensors on I-40 Bridge. Being wireless was a huge advantage to facilitate quick installation of the instruments on the massive structure. <br><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/2021-06-18-16.06.27-1024x768.jpg\" alt=\"Installed Resensys Wireless Strain Gauge SenSpot Sensors I-40 Bridge Detect Cracks Memphis Interstate 40 Bridge Connecting Arkansas and Tennessee Structural Health Monitoring\" class=\"wp-image-1164\" width=\"789\" height=\"592\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/2021-06-18-16.06.27-1024x768.jpg 1024w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/2021-06-18-16.06.27-300x225.jpg 300w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/2021-06-18-16.06.27-768x576.jpg 768w\" sizes=\"auto, (max-width: 789px) 100vw, 789px\" \/><figcaption>Installed <a href=\"https:\/\/www.resensys.com\/r20\/wireless-products-senspot\/metal-structural-precision-strain-stress-gauge-low-power-high-sample.html\">Wireless Strain Gauges SenSpot<\/a> Sensors on I-40 Bridge <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/05\/4177-scaled.jpg\" alt=\"SeniMax (Data Acquisition) on bridge for wireless structural health monitoring I-40 Bridge Detect Cracks Memphis Interstate 40 Bridge Connecting Arkansas and Tennessee\" class=\"wp-image-1139\" width=\"785\" height=\"1047\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/05\/4177-scaled.jpg 1920w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/05\/4177-225x300.jpg 225w\" sizes=\"auto, (max-width: 785px) 100vw, 785px\" \/><figcaption><a href=\"https:\/\/www.resensys.com\/r20\/wireless-products-senspot\/senimax-low-power-performance-data-collector-communication-gateway.html\">SeniMax<\/a> (Data Acquisition) on I-40 bridge for wireless structural health monitoring<\/figcaption><\/figure>\n\n\n\n<p>Long term Structural Health Monitoring such as that provided by Resensys\u2019 <a href=\"https:\/\/www.resensys.com\/r20\/wireless-products-senspot\/critical-component-condition-monitoring-instrumentation.html\">SenSpot \u2122<\/a> can help officials make bridge safety decisions using real time data from an \u201cat risk\u201d bridge, whether that bridge is <a href=\"https:\/\/www.resensys.com\/r20\/wireless-sensor-document-application\/fracture-critical-structure-strain-detection.html\">fracture critical<\/a>  or susceptible to <a href=\"https:\/\/www.resensys.com\/r20\/wireless-sensor-document-application\/structural-fatigue-analysis-based-on-rainflow-counting-methodology.html\">fatigue<\/a>, has a <a href=\"https:\/\/www.resensys.com\/documents\/displacement-gauge-measurements-to-monitor-cracks.pdf\">crack<\/a> to be monitored, suffers from <a href=\"https:\/\/www.resensys.com\/r20\/wireless-sensor-document-application\/scour-inspection-bridges-tilt-solar-camera-water-level.html\">scour<\/a>  or is at risk due to <a href=\"https:\/\/www.resensys.com\/r20\/wireless-sensor-document-application\/man-made-seismic-effect-quantification-vibration-monitoring-application-note.html\">seismic activity<\/a>.&nbsp; &nbsp; <\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/2021-06-18-12.20.32-scaled.jpg\" alt=\"Installed Resensys Wireless Strain Gauge SenSpot Sensors I-40 Bridge Detect Cracks Memphis Interstate 40 Bridge Connecting Arkansas and Tennessee Structural Health Monitoring\" class=\"wp-image-1154\" width=\"790\" height=\"1053\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/2021-06-18-12.20.32-scaled.jpg 1920w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/2021-06-18-12.20.32-225x300.jpg 225w\" sizes=\"auto, (max-width: 790px) 100vw, 790px\" \/><figcaption>Installed <a href=\"https:\/\/www.resensys.com\/r20\/wireless-products-senspot\/metal-structural-precision-strain-stress-gauge-low-power-high-sample.html\">Wireless Strain Gauge SenSpot<\/a> Sensors on I-40 Bridge. The sensors have been monitoring the bridge during the repairs and after reopening. <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/4197-1-1024x768.jpg\" alt=\"Installed Resensys Wireless Strain Gauge SenSpot Sensors I-40 Bridge Detect Cracks Memphis Interstate 40 Bridge Connecting Arkansas and Tennessee Structural Health Monitoring\" class=\"wp-image-1166\" width=\"792\" height=\"594\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/4197-1-1024x768.jpg 1024w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/4197-1-300x225.jpg 300w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/4197-1-768x576.jpg 768w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/4197-1-1536x1152.jpg 1536w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2021\/12\/4197-1-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 792px) 100vw, 792px\" \/><figcaption>Installed <a href=\"https:\/\/www.resensys.com\/r20\/wireless-products-senspot\/metal-structural-precision-strain-stress-gauge-low-power-high-sample.html\">Wireless Strain Gauges SenSpot<\/a> Sensors on I-40 Bridge <\/figcaption><\/figure>\n\n\n\n<p>Resensys was founded with the\nmission of protecting infrastructure against aging and malfunction by\ndeveloping small sensors that can make a big difference.&nbsp; <\/p>\n","protected":false},"excerpt":{"rendered":"<p>On May 12, 2021 a crack found in the I-40 bridge connecting Arkansas and Tennessee.&nbsp; This crack in a steel beam caused the bridge to be shut down immediately, resulting in traffic re-routing and massive efforts to ease the resulting congestion. The bridge was closed for about three months and the cost of closure of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1161,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[8,9,19,13,7,23,5,6,22],"tags":[],"class_list":["post-1034","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bridge-structural-health-monitoring","category-fracture-critical-bridge","category-news-events","category-scour-critical-bridge","category-senspot","category-wireless-displacement-crack-meter-sensor","category-wireless-strain-sensor","category-wireless-tilt-sensor","category-wireless-vibration-acceleration-sensor","cat-8-id","cat-9-id","cat-19-id","cat-13-id","cat-7-id","cat-23-id","cat-5-id","cat-6-id","cat-22-id","has_thumb"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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