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Service Description: <p style='margin:12pt 0in 8.25pt; text-align:center;'><span style='font-family:Arial, sans-serif; font-size:13.5pt;'><font color='#000000' style='font-family:inherit;'>The National Bridge Inventory (NBI) is a database, compiled by the <a href='https://www.fhwa.dot.gov/bridge/nbi.cfm' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:inherit;' target='_blank'>Federal Highway Administration</a> (FHWA), with information of all the bridges and tunnels in the United States that have roads passing above or below them. </font></span></p><p style='margin:12pt 0in 8.25pt; text-align:center;'><span style='font-family:Arial, sans-serif; font-size:13.5pt;'><font color='#000000' style='font-family:inherit;'>This layer represents bridge condition performance for structures on the National Highway System (NHS). The NHS includes the Interstate Highway System as well as other roads important to the nation’s economy, defense, and mobility. It was developed by the Department of Transportation (DOT) in cooperation with the states, local officials, and metropolitan planning organizations (MPOs).</font></span></p><p style='margin:12pt 0in; text-align:center; background-image:initial; background-position:initial; background-size:initial; background-repeat:initial; background-attachment:initial; background-origin:initial; background-clip:initial;'><span style='font-family:Arial, sans-serif; font-size:13.5pt;'><font color='#000000' style='font-family:inherit;'>TPB staff downloads NBI data annually from the <a href='https://www.fhwa.dot.gov/bridge/nbi/ascii.cfm' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:inherit;'>FHWA</a>. TPB staff extracts NHS bridges in the TPB Planning Region, assigns a regional unique ID, calculates the bridge condition according to the federal rule, calculates the deck area, and summarizes the bridge condition data by jurisdiction to use as input to the federally-required Performance-Based Planning and Programming (PBPP) target setting and monitoring process.</font></span></p><p style='margin:12pt 0in; text-align:center; background-image:initial; background-position:initial; background-size:initial; background-repeat:initial; background-attachment:initial; background-origin:initial; background-clip:initial;'><span style='font-family:Arial, sans-serif; font-size:13.5pt;'><font color='#000000' style='font-family:inherit;'>TPB staff use the geographic coordinates in the 2025 NBI file to calculate the latitude and longitude in decimal degrees to create the feature class. Several of the latitude and longitude coordinates were incorrectly located and have been updated by the TPB staff. This feature class has a unique ID for each bridge and can be linked to the annual bridge condition files by the field PBPP ID.</font></span></p><p style='margin:12pt 0in; text-align:center; background-image:initial; background-position:initial; background-size:initial; background-repeat:initial; background-attachment:initial; background-origin:initial; background-clip:initial;'><span style='font-family:Arial, sans-serif; font-size:13.5pt;'><font color='#000000' style='font-family:inherit;'>TPB Staff applied the final rule to the region’s latest bridge condition data for the TPB Planning Region. The 2025 Bridge data became available in January 2026, through the <a href='https://www.fhwa.dot.gov/bridge/nbi/ascii.cfm' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:inherit;' target='_blank'>National Bridge Inventory</a> (NBI) from the FHWA. The data are reported per the required performance measures (good and poor condition), see the <a href='https://www.govinfo.gov/content/pkg/FR-2017-01-18/pdf/2017-00550.pdf' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:inherit;'>rule</a> and </font></span><a href='https://www.fhwa.dot.gov/bridge/mtguide.pdf' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:Arial, sans-serif; font-size:13.5pt;' target='_blank'>National Bridge Inventory Guide</a><span style='font-family:Arial, sans-serif; color:rgb(0, 0, 0); font-size:13.5pt;'> for more information. </span></p><p style='margin:12pt 0in; text-align:center; background-image:initial; background-position:initial; background-size:initial; background-repeat:initial; background-attachment:initial; background-origin:initial; background-clip:initial;'><font color='#000000' style='font-family:inherit;'><br /></font></p><p style='margin:12pt 0in 8.25pt; text-align:center; background-image:initial; background-position:initial; background-size:initial; background-repeat:initial; background-attachment:initial; background-origin:initial; background-clip:initial;'><span style='font-family:Arial, sans-serif; font-size:13.5pt;'><font color='#000000' style='font-family:inherit;'>For more information:</font></span></p><p style='margin:12pt 0in 8.25pt; text-align:center; background-image:initial; background-position:initial; background-size:initial; background-repeat:initial; background-attachment:initial; background-origin:initial; background-clip:initial;'><span style='font-family:Arial, sans-serif; font-size:13.5pt;'><a href='https://www.fhwa.dot.gov/planning/performance_based_planning/' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:inherit;'><font color='#000000' style='font-family:inherit;'>FHWA PBPP </font></a></span></p><p style='margin:12pt 0in 8.25pt; text-align:center; background-image:initial; background-position:initial; background-size:initial; background-repeat:initial; background-attachment:initial; background-origin:initial; background-clip:initial;'><span style='font-family:Arial, sans-serif; font-size:13.5pt;'><a href='https://www.fhwa.dot.gov/tpm/rule.cfm' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:inherit;'><font color='#000000' style='font-family:inherit;'>FHWA Transportation Performance Management </font></a></span></p><p style='margin:12pt 0in 8.25pt; text-align:center; background-image:initial; background-position:initial; background-size:initial; background-repeat:initial; background-attachment:initial; background-origin:initial; background-clip:initial;'><span style='font-family:Arial, sans-serif; font-size:13.5pt;'><a href='https://www.fhwa.dot.gov/tpm/pubs/PM2FAQs.pdf' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:inherit;'><font color='#000000' style='font-family:inherit;'>TPM Frequently Asked Questions</font></a></span></p><p style='margin:12pt 0in 8.25pt; text-align:center; background-image:initial; background-position:initial; background-size:initial; background-repeat:initial; background-attachment:initial; background-origin:initial; background-clip:initial;'></p><p style='margin:12pt 0in 8.25pt; text-align:center; background-image:initial; background-position:initial; background-size:initial; background-repeat:initial; background-attachment:initial; background-origin:initial; background-clip:initial;'><span style='font-family:Arial, sans-serif; font-size:13.5pt;'><a href='https://www.fhwa.dot.gov/tpm/pubs/PM2BridgeFactSheet.pdf' style='color:rgb(0, 97, 155); text-decoration-line:none; font-family:inherit;'><font color='#000000' style='font-family:inherit;'>TPM Bridge Performance Measures</font></a></span></p><div style='font-family:inherit;'><br /></div>
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Description: The National Bridge Inventory (NBI) is a database, compiled by the Federal Highway Administration (FHWA), with information of all the bridges and tunnels in the United States that have roads passing above or below them. This layer represents bridge condition performance for structures on the National Highway System (NHS). The NHS includes the Interstate Highway System as well as other roads important to the nation’s economy, defense, and mobility. It was developed by the Department of Transportation (DOT) in cooperation with the states, local officials, and metropolitan planning organizations (MPOs).TPB staff downloads NBI data annually from the FHWA. TPB staff extracts NHS bridges in the TPB Planning Region, assigns a regional unique ID, calculates the bridge condition according to the federal rule, calculates the deck area, and summarizes the bridge condition data by jurisdiction to use as input to the federally-required Performance-Based Planning and Programming (PBPP) target setting and monitoring process.TPB staff use the geographic coordinates in the 2024 NBI file to calculate the latitude and longitude in decimal degrees to create the feature class. Several of the latitude and longitude coordinates were incorrectly located and have been updated by the TPB staff. This feature class has a unique ID for each bridge and can be linked to the annual bridge condition files by the field PBPP ID.TPB Staff applied the final rule to the region’s latest bridge condition data for the TPB Planning Region. The 2024 Bridge data became available in January 2025, through the National Bridge Inventory (NBI) from the FHWA. The data are reported per the required performance measures (good and poor condition), see the rule and National Bridge Inventory Guide for more information. For more information:FHWA PBPP FHWA Transportation Performance Management TPM Frequently Asked QuestionsTPM Bridge Performance Measures
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Title: NBI
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Keywords: RTDC,TPB,PBPP,NBI,Bridge
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