BridgeSafety
DeclineUpdated April 2026

States With the Most Structurally Deficient Bridges

Highest percentage of bridges rated as deficient

Arizona has the highest rate of deficient bridges at 57.0%, with 4,896 of its 8,587 bridges rated as deficient.

#NameMetric
1Arizona
57.0% deficient — 4,896 of 8,587 bridges — avg age 49 years
57
2Minnesota
49.6% deficient — 6,724 of 13,551 bridges — avg age 40 years
49.6
3New Mexico
49.4% deficient — 1,991 of 4,033 bridges — avg age 53 years
49.4
4Tennessee
48.8% deficient — 9,941 of 20,374 bridges — avg age 48 years
48.8
5Nevada
44.3% deficient — 940 of 2,123 bridges — avg age 37 years
44.3
6South Dakota
43.5% deficient — 2,557 of 5,883 bridges — avg age 50 years
43.5
7Alabama
42.9% deficient — 6,945 of 16,181 bridges — avg age 52 years
42.9
8North Dakota
41.2% deficient — 1,752 of 4,250 bridges — avg age 49 years
41.2
9Oklahoma
39.7% deficient — 9,093 of 22,926 bridges — avg age 49 years
39.7
10Georgia
39.2% deficient — 5,908 of 15,090 bridges — avg age 48 years
39.2

Arizona has the highest rate of deficient bridges at 57.0%, with 4,896 of its 8,587 bridges rated as deficient.

FHWA National Bridge Inventory (April 2026)

Frequently Asked Questions

This report is auto-generated from real public data sources. Entities are ranked by their key metrics and the most notable changes and extremes are highlighted.

The underlying data is refreshed on a regular schedule. This report was generated from the most recent available data (last updated April 2026).

The primary metric varies by report type. It may represent a score, dollar amount, rate, or count depending on what the report is measuring.