Rte 366 over Fall Creek
Tompkins County, New York · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rte 366 over Fall Creek in Tompkins County, New York, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1932 and reconstructed in 1995, making it 93 years old at the 2025 inventory.
- It carries about 3,016 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 94 of the 192 inventoried bridges in Tompkins County rated fair (49.0%); 28 (14.6%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: substructure 6 to 5.
- Its most recent inspection on record is dated July 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (42.50459, -76.35991)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 5 | Fair condition |
Bridge details
| Structure | Steel girder and floorbeam |
| Length | about 80 ft |
| Location | 2.5 Mi NE Jct SH 366 & SH |
| NBI structure number | 000000001046790 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New York department of transportation.
Busiest bridges in Tompkins County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte 13 over Cascadilla Creek | 1965 | 31,683 | Fair |
| Rte 13 over Fall Creek | 1965 | 31,683 | Good |
| Rte 13 over Sixmile Creek | 1965 | 21,382 | Good |
| Rte 13 over Norfolk Southern Cayuga | 1996 | 18,178 | Fair |
| Rte 13 over Buttermilk Creek | 1995 | 17,743 | Good |
| Rte 13 over Enfield Creek | 1995 | 17,343 | Fair |
All bridges nearby: Tompkins County, NY bridge conditions · every bridge in Tompkins County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.