Bridge conditions in Warren County, New York
142 inventoried bridges · 8 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Warren County tracks close to typical: 8 of its 142 inventoried bridges (5.6%) are rated poor, against a national rate of about 7%.
- 8 of the 142 bridges in Warren County, New York, are rated in poor condition (5.6%) in the 2025 National Bridge Inventory, as of .
- 58 bridges (40.8%) are rated good and 76 (53.5%) fair.
- The median Warren County bridge was built in 1965.
- The busiest poor-rated bridge is Rte 9 over Schroon River (built 1931), carrying about 12,388 vehicles a day.
Good 40.8% · Fair 53.5% · Poor 5.6% of 142 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte 9 over Schroon River | 1931 | 12,388 | Poor |
| Rte 9L over Inlet to Dunhams Bay | 1931 | 1,608 | Poor |
| S.johnsburg Rd. over Crystal Brook | 1960 | 242 | Poor |
| TR510 over Thirteenth Brook | 1935 | 160 | Poor |
| Johnson Road over Mill Brook | 1964 | 86 | Poor |
| Hudson St over Mill Creek | 1914 | 60 | Poor |
| Crosby Road over Pine Ridge Brook | 1905 | 4 | Poor |
| Gill Road over Roaring Branch | 1910 | – | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rte 254 over 87I 87i17101048 Rte I87 | 1998 | 30,753 | Fair |
| Rte I87 over CR 28 | 1960 | 21,989 | Fair |
| Rte I87 over Luzerne Road | 1960 | 21,989 | Good |
| Rte I87 over Dixon Road | 1960 | 21,989 | Good |
| Rte I87 over Corinth Rd | 1960 | 20,850 | Fair |
| Rte I87 over Luzerne Road | 1960 | 20,850 | Good |
| Rte I87 over Dixon Road | 1960 | 20,850 | Good |
| Rte I87 over Rte 9N | 1963 | 20,139 | Fair |
| County Road 7 over Halfway Creek | 2022 | 17,239 | Good |
| Rte I87 over Rte 9N | 1963 | 13,790 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of New York: New York bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.