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Infrastructure Grade
Infrastructure Report Card
4.8% of bridges in poor condition
Total Bridges
4,363
Poor Condition
209(4.8%)
Avg Bridge Age
58 yrs
Trend
Stable
| Metric | Connecticut | National Avg | Trend |
|---|---|---|---|
| % Poor Condition | 4.8% | 6.7% | Stable |
| vs. National Average | -1.9 pts | -- | -- |
| Average Bridge Age | 58 yrs | 48 yrs | -- |
| Good or Better | 1,661(38.1%) | -- | -- |
Grade Scale
Percentage of bridges in poor condition over time. The dashed line shows the national average for comparison.
Total Bridges
4,363
Poor Condition
209(4.8%)
Average Age
58 yrs
Daily Crossings
76.8M
Good or Better
1,661(38.1%)
These bridges have at least one major component rated "5" (Fair) — one step above the poor threshold. Sorted by daily traffic to highlight highest-impact structures at risk.
| Bridge | Location | Deck | Super | Sub | Daily Traffic |
|---|---|---|---|---|---|
| INTERSTATE-95 | Fairfield County | 6 | 5 | 6 | 154,700 |
| INTERSTATE-95 | Fairfield County | 7 | 5 | 6 | 154,600 |
| INTERSTATE-95 | Fairfield County | 5 | 6 | 5 | 147,500 |
| INTERSTATE-95 | Fairfield County | 5 | 6 | 6 | 136,600 |
| INTERSTATE-84 | Hartford County | -- | 6 | 5 | 135,200 |
| INTERSTATE-95 | Fairfield County | 7 | 6 | 5 | 133,800 |
| INTERSTATE-95 | New Haven County | 6 | 5 | 5 | 133,800 |
| INTERSTATE-91 | New Haven County | 6 | 5 | 6 | 129,400 |
| INTERSTATE 91 | New Haven County | 6 | 5 | 6 | 129,400 |
| INTERSTATE-91 | New Haven County | 5 | 6 | 7 | 129,400 |
| INTERSTATE-395 NB | Windham County | 5 | 5 | 7 | 129,000 |
| INTERSTATE-95 | Fairfield County | 5 | 6 | 6 | 126,100 |
| INTERSTATE-95 | Fairfield County | 6 | 5 | 6 | 125,300 |
| INTERSTATE-95 | Fairfield County | 5 | 7 | 6 | 124,600 |
| INTERSTATE-95 | Fairfield County | 6 | 5 | 6 | 122,800 |
The 10 bridges in poorest condition, ranked by lowest sufficiency rating.
over NONNEWAUG BROOK
over NORWALK RIVER
over MERRICK BROOK
over HALL MEADOW BROOK
over HALL MEADOW BROOK
over MERRICK BROOK
over INTERSTATE-95
over HOUSATONIC RIVER
over SNAKE MEADOW BROOK
over AMTRAK RAILROAD
States with similar infrastructure profiles, ranked by percentage of bridges in poor condition.
Grading: Grades are based on the percentage of bridges classified as "poor condition." A bridge is in poor condition when at least one major component (deck, superstructure, or substructure) is rated 4 or below on the NBI 0-9 scale.
Data Source: Federal Highway Administration (FHWA) National Bridge Inventory (NBI). Data is updated annually. BridgeStats is not affiliated with or endorsed by the FHWA.
Watchlist Criteria: Bridges with any component rated "5" (Fair) are one step from the poor threshold of 4 and are flagged for monitoring. These bridges are not yet in poor condition but may deteriorate without maintenance.