Readme
Updated 10 months ago
‧ Indexed 25 minutes ago
Importance of Highways to U.S. Agriculture Report - Bridge Data
This dataset contains data on bridge conditions and clearance for the study corridors in the Importance of Highways to U.S. Agriculture Report. The Volpe Center derived this study specific dataset from the Federal Highway Administration's (FHWA’s) National Bridge Inventory (NBI) data.
Columns
| Name | Socrata field name | Column name in sgr mount | Data type | Description |
|---|---|---|---|---|
| Corridor name | name | name | Text | Name of the corridor. |
| Corridor number | corridor | corridor | Number | Corridor number ranging from 1-17. |
| Highway segment | segment | segment | Text | Segment on the highway. |
| Bridge condition | condition | condition | Number | Bridge condition rated as good, fair or poor. If the lowest rating is greater than or equal to 7, the bridge is classified as good; if it is less than or equal to 4, the classification is poor, while bridges rated 5 or 6 are classified as fair. |
| Milepost | milepost | milepost | Number | Distance in miles. |
| Condition Description | condition_description | condition_description | Text | Descriptive bridge condition rated as good, fair or poor, based on the numerical bridge condition rating. If the lowest rating is greater than or equal to 7, the bridge is classified as good; if it is less than or equal to 4, the classification is poor, while bridges rated 5 or 6 are classified as fair. |
| Bridge clearance | clearance | clearance | Text | Bridge clearance. Clearance is null as all bridges included were overpasses and do not have clearance information in the NBI. |
| National Highway System designation | nhs | nhs | Number | Designation on the National Highway System . |
Upstream Metadata