{"id":1591,"date":"2025-04-16T06:23:40","date_gmt":"2025-04-16T10:23:40","guid":{"rendered":"https:\/\/www.resensys.com\/Blog\/?post_type=project&#038;p=1591"},"modified":"2025-08-05T04:02:27","modified_gmt":"2025-08-05T08:02:27","slug":"scour-critical-bridges-monitoring-in-california-caltrans-2","status":"publish","type":"project","link":"https:\/\/www.resensys.com\/Blog\/project\/scour-critical-bridges-monitoring-in-california-caltrans-2\/","title":{"rendered":"Scour Critical Bridges Monitoring in California (Caltrans)"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong>Brief Description and the work performed by Resensys<\/strong><\/h2>\n\n\n\n<p class=\"\"><strong>Case definition: <\/strong>Scour is the leading bridge failure reason for concrete bridges and 58% of bridge failures in the US are due to hydraulic conditions (Source: FHWA). More than 30 bridges of California have been monitored by Resensys monitoring system.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Problems:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\">Erosion of soil surrounding the bridge foundation (piers and abutments)<\/li>\n\n\n\n<li class=\"\">Fast-moving water around the bridge removes sediment from around the bridge foundation, leaving behind scour holes<\/li>\n\n\n\n<li class=\"\">Changes in pier orientation<\/li>\n<\/ul>\n\n\n\n<p class=\"\"><strong>How to address the problem: <\/strong>Resensys wireless monitoring systems have been deployed in a bunch of bridges in California and based on the monitoring needs of each bridge:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\">Wireless scour probe: measures soil\/sediment level (detect erosion)<\/li>\n\n\n\n<li class=\"\">Wireless level sensor: detects flood<\/li>\n\n\n\n<li class=\"\">Wireless camera: provide visual feedback<\/li>\n\n\n\n<li class=\"\">Wireless tilt meters: monitoring stability of piers, abutments, detects settling<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Results:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"\">Detecting over inclination of piers (with the resolution 0.00016 degrees) as an early result and indication of hydraulic damage to prevent road\/bridge closure and\/or expensive repairs.<\/li>\n\n\n\n<li class=\"\">Monitoring water level constantly to notify authority about possibility of flood.<\/li>\n\n\n\n<li class=\"\">Detecting erosion around piers at early stages enable authorities to repair the bridge sooner.<\/li>\n\n\n\n<li class=\"\">Providing complete condition awareness of bridges, and particularly help to allow quick assessment of conditions after severe floods.<\/li>\n\n\n\n<li class=\"\">Detecting immediate effect of extreme events (e.g., earthquake) at the structural behavior of the bridge at piers, cracks, etc.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"257\" height=\"206\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-1.png\" alt=\"\" class=\"wp-image-1592\"\/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>OWNER<\/strong><\/td><td>California Department of Transportation (Caltrans)<\/td><\/tr><tr><td><strong>SERVICE PROVIDED<\/strong><\/td><td>Scour Critical Bridge Monitoring of more than 30 bridges<\/td><\/tr><tr><td><strong>DURATION<\/strong><\/td><td>2013-Present<\/td><\/tr><tr><td><strong>SALIENT FEATURES<\/strong><\/td><td>Remote Monitoring System<br>Monitoring of piers, water level, and visual monitoring for scour condition<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"232\" height=\"174\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-5.png\" alt=\"\" class=\"wp-image-1599\" style=\"aspect-ratio:4\/3;object-fit:cover\"\/><figcaption class=\"wp-element-caption\"><strong>Scour Critical Bridge (Concrete Bridge) <\/strong><br><strong>I-10 over San Gorgonio Wash (Bridge No. 56-0003)<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-3.png\"><img loading=\"lazy\" decoding=\"async\" width=\"355\" height=\"266\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-3.png\" alt=\"A tilt meter on the pier\" class=\"wp-image-1594\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-3.png 355w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-3-300x225.png 300w\" sizes=\"auto, (max-width: 355px) 100vw, 355px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>A tilt meter on the pier<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-4.png\"><img loading=\"lazy\" decoding=\"async\" width=\"355\" height=\"266\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-4.png\" alt=\"A water level meter at the pier\" class=\"wp-image-1595\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-4.png 355w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-4-300x225.png 300w\" sizes=\"auto, (max-width: 355px) 100vw, 355px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>A water level meter at the pier<\/strong><\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Photo Gallery<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/Wireless-tilt-meter-at-a-pier-of-the-Bridge-over-Pit-River-on-SR-299.png\"><img loading=\"lazy\" decoding=\"async\" width=\"358\" height=\"478\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/Wireless-tilt-meter-at-a-pier-of-the-Bridge-over-Pit-River-on-SR-299.png\" alt=\"\" class=\"wp-image-1596\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/Wireless-tilt-meter-at-a-pier-of-the-Bridge-over-Pit-River-on-SR-299.png 358w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/Wireless-tilt-meter-at-a-pier-of-the-Bridge-over-Pit-River-on-SR-299-225x300.png 225w\" sizes=\"auto, (max-width: 358px) 100vw, 358px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Wireless tilt meter at a pier of the Bridge over Pit River on SR 299<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-7.png\"><img loading=\"lazy\" decoding=\"async\" width=\"340\" height=\"402\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-7.png\" alt=\"Wireless water level meter at a pier of the Bridge over Pit River on SR 299\" class=\"wp-image-1601\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-7.png 340w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-7-254x300.png 254w\" sizes=\"auto, (max-width: 340px) 100vw, 340px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Wireless water level meter at a pier of the Bridge over Pit River on SR 299<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-8.png\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"400\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-8.png\" alt=\"Fernbridge (Bridge No. CA 04-1034) Bridge over Eel River on CA 211\" class=\"wp-image-1602\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-8.png 300w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-8-225x300.png 225w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Fernbridge (Bridge No. CA 04-1034) Bridge over Eel River on CA 211<\/strong><\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-9.png\"><img loading=\"lazy\" decoding=\"async\" width=\"330\" height=\"248\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-9.png\" alt=\"Bridge over Pit River on SR 299 (Bridge No. CA 07-0007)\" class=\"wp-image-1603\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-9.png 330w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-9-300x225.png 300w\" sizes=\"auto, (max-width: 330px) 100vw, 330px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Bridge over Pit River on SR 299 <br>(Bridge No. CA 07-0007)<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-10.png\"><img loading=\"lazy\" decoding=\"async\" width=\"338\" height=\"253\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-10.png\" alt=\"I-10 bridges over Whitewater River (Bridge No. CA 56-0004L\/R)\" class=\"wp-image-1604\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-10.png 338w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-10-300x225.png 300w\" sizes=\"auto, (max-width: 338px) 100vw, 338px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>I-10 bridges over Whitewater River<br>(Bridge No. CA 56-0004L\/R)<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-11.png\"><img loading=\"lazy\" decoding=\"async\" width=\"358\" height=\"268\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-11.png\" alt=\"Bridge No. 18-0005 (Route 20 over Sutter Bypass)\" class=\"wp-image-1605\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-11.png 358w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-11-300x225.png 300w\" sizes=\"auto, (max-width: 358px) 100vw, 358px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Bridge No. 18-0005 (Route 20 over Sutter Bypass)<\/strong><\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-12.png\"><img loading=\"lazy\" decoding=\"async\" width=\"369\" height=\"277\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-12.png\" alt=\"Wireless tilt meter at a pier of the San Gabriel Hwy. 39 (Bridge No. 07-343404)\" class=\"wp-image-1606\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-12.png 369w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-12-300x225.png 300w\" sizes=\"auto, (max-width: 369px) 100vw, 369px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Wireless tilt meter at a pier of the San Gabriel Hwy. 39<br> (Bridge No. 07-343404)<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-13.png\"><img loading=\"lazy\" decoding=\"async\" width=\"368\" height=\"276\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-13.png\" alt=\"Wireless tilt meter at a pier of the Fernbridge\" class=\"wp-image-1607\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-13.png 368w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-13-300x225.png 300w\" sizes=\"auto, (max-width: 368px) 100vw, 368px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Wireless tilt meter at a pier of the Fernbridge<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-14.png\"><img loading=\"lazy\" decoding=\"async\" width=\"368\" height=\"263\" src=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-14.png\" alt=\"Wireless solar powered camera at girder of the Dola Creek Bridge\" class=\"wp-image-1608\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-14.png 368w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-14-300x214.png 300w, https:\/\/www.resensys.com\/Blog\/wp-content\/uploads\/2025\/04\/image-14-140x100.png 140w\" sizes=\"auto, (max-width: 368px) 100vw, 368px\" \/><\/a><figcaption class=\"wp-element-caption\"><strong>Wireless solar powered camera at girder of the Dola Creek Bridge<\/strong><\/figcaption><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Brief Description and the work performed by Resensys Case definition: Scour is the leading bridge failure reason for concrete bridges and 58% of bridge failures in the US are due to hydraulic conditions (Source: FHWA). More than 30 bridges of California have been monitored by Resensys monitoring system. Problems: How to address the problem: Resensys [&hellip;]<\/p>\n","protected":false},"featured_media":1610,"parent":0,"template":"","project_category":[67,75,72,76],"class_list":["post-1591","project","type-project","status-publish","has-post-thumbnail","hentry","project_category-bridge-structural-health-monitoring","project_category-scour-critical-bridge","project_category-wireless-tilt-sensor","project_category-wireless-water-level-sensor","has_thumb"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Bridge Scour Monitoring in California \u2013 Resensys Project<\/title>\n<meta name=\"description\" content=\"Explore Resensys&#039; bridge scour monitoring for 30+ bridges in California using wireless tilt meters, level sensors, and scour probes to detect erosion and hydraulic damage.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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