West Dryden Road over Mill Creek
Tompkins County, New York · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- West Dryden Road over Mill Creek in Tompkins County, New York, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1997, making it 28 years old at the 2025 inventory.
- It carries about 2,478 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 70 of the 192 inventoried bridges in Tompkins County rated good (36.5%); 28 (14.6%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (42.51798, -76.38191)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 36 ft |
| Location | 6.8 Mi SE of West Groton |
| NBI structure number | 000000003314170 |
| Condition class | Good |
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.