National Bridge Inventory System (NBI): 1992 Bridge Inspection Data

1992 bridge inspection data collected under the National Bridge Inspection Standards (NBIS). The National Bridge Inventory (NBI) System contains information on bridge condition, inspection results, and costs associated with replacing structurally deficient bridges. It is managed by the U.S. Department of Transportation to support project eligibility, performance reporting, and congressional oversight.

Use Cases

• Predicting bridge deterioration and maintenance needs based on inspection information.
• Prioritizing infrastructure funding based on structural deficiency and replacement cost data.
• Analyzing national bridge condition trends for performance measure reporting.
• Supporting oversight and compliance reporting for the National Bridge Inspection Standards (NBIS).

Strengths

• Data is collected under a federal legal standard (National Bridge Inspection Standards).
• Supports multiple official functions, including project eligibility and congressional reporting.
• Managed by the authoritative U.S. Department of Transportation.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data is from a single year (1992), limiting temporal trend analysis.

Provenance

Source

U.S. Department of Transportation

Collection Method

Collected under the auspices of the National Bridge Inspection Standards (NBIS) as prescribed by law.

Time Range

1992

Freshness

Last updated 2026-04-11 16:03:01.094584; freshness should be verified.

Geography

United States (likely)