Dean Road over Mill Creek
Seneca County, New York · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Dean Road over Mill Creek in Seneca County, New York, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 2 (critical condition) on the 0-9 scale.
- It was built in 1936, making it 89 years old at the 2025 inventory.
- It carries about 34 vehicles a day (traffic count year 2016).
- Its listed owner is a town or township highway agency.
- It is one of 16 of the 60 inventoried bridges in Seneca County rated poor (26.7%); 16 (26.7%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated October 2024, on a 12-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (42.58559, -76.81678)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 2 | 2 | Critical condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 53 ft |
| Location | 1.9 Mi W of NY414 |
| NBI structure number | 000000002209540 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
Busiest bridges in Seneca County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte I90 over Old Seneca River | 1954 | 30,538 | Fair |
| Rte I90 over Black Brook | 1953 | 30,538 | Fair |
| Rte I90 over Cayuga-seneca Canal | 1953 | 16,708 | Fair |
| Rte I90 over Seneca River | 1953 | 15,269 | Fair |
| Rte 5 over Cay & Sen Canal | 1932 | 12,332 | Poor |
| Rte 96A over Cayuga-seneca Canal | 1962 | 9,979 | Fair |
All bridges nearby: Seneca County, NY bridge conditions · every bridge in Seneca County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.