Rte 180 over Chaumont River
Jefferson County, New York · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rte 180 over Chaumont River in Jefferson 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 1916, making it 109 years old at the 2025 inventory.
- It carries about 1,161 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 158 of the 318 inventoried bridges in Jefferson County rated fair (49.7%); 32 (10.1%) are rated poor.
- Its traffic status in the 2025 inventory is posted for another load-capacity restriction (speed, number of vehicles on the bridge, etc.) (NBI item 41).
- It was rated poor in the 2024 inventory and is now fair (deck 3 to 5, superstructure 4 to 5, substructure 5 to 6).
- Its most recent inspection on record is dated September 2024, on a 12-month routine inspection cycle.
- 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 → (44.19339, -75.96671)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 3 | 5 | Fair condition |
| Superstructure | 4 | 5 | Fair condition |
| Substructure | 5 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 22 ft |
| Location | 0.03 Mi SW Jct RT411 |
| NBI structure number | 000000001039500 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for another load-capacity restriction (speed, number of vehicles on the bridge, etc.) |
| Last inspection (item 90) | September 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 Jefferson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte 3 over Rte I81 Rte I81 | 2008 | 22,877 | Good |
| Rte 3 over CSX Mainline Exchange S | 2020 | 19,388 | Good |
| Rte I81 over Mill Creek | 1959 | 17,133 | Good |
| Rte I81 over Beaver Meadow Ck | 1957 | 17,133 | Fair |
| Rte 12F over Rte I81 Rte I81 | 1993 | 15,208 | Good |
| Rte I81 over Stony Creek | 1959 | 14,713 | Fair |
All bridges nearby: Jefferson County, NY bridge conditions · every bridge in Jefferson County · New York bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.