Boiceville Road over Sixmile Creek
Tompkins County, New York · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Boiceville Road over Sixmile 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 deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1942 and reconstructed in 1988, making it 83 years old at the 2025 inventory.
- It carries about 1,175 vehicles a day (traffic count year 2018).
- Its listed owner is the county 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 condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated July 2023, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (42.39341, -76.36281)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 41 ft |
| Location | .9 Mi W Slaterville Spngs |
| NBI structure number | 000000003314040 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
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.