Bridge conditions in Orange County, Vermont
209 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 209 bridges in Orange County: 99 rated good, 106 fair, and 4 poor.
- 4 of the 209 bridges in Orange County, Vermont, are rated in poor condition (1.9%) in the 2025 National Bridge Inventory, as of .
- 99 bridges (47.4%) are rated good and 106 (50.7%) fair.
- The median Orange County bridge was built in 1968.
- The busiest poor-rated bridge is I 00089 Ml over I 89 over Th No 1 (built 1970), carrying about 16,700 vehicles a day.
Good 47.4% · Fair 50.7% · Poor 1.9% of 209 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 |
|---|---|---|---|
| I 00089 Ml over I 89 over Th No 1 | 1970 | 16,700 | Poor |
| US 00005 Ml over Waits River | 1939 | 5,000 | Poor |
| East Thetford Road over Connecticut River | 1937 | 1,949 | Poor |
| Vt 00025 Ml over Waits River | 1946 | 1,700 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 00089 Ml over I 89 over Vt 64 | 1970 | 20,400 | Fair |
| I 00089 Ml over I 89 over Vt 64 | 1970 | 20,400 | Fair |
| I 00089 Ml over I 89 over Th No 6 | 1968 | 16,700 | Good |
| I 00089 Ml over I 89 over Th No 1 | 1970 | 16,700 | Poor |
| I 00089 Ml over I 89 over Th No 1 | 1970 | 16,700 | Fair |
| I 00091 Ml over I 91 over Th No 14 | 1971 | 10,200 | Good |
| I 00091 Ml over I 91 over Th No 14 | 1971 | 10,200 | Fair |
| I 00091 Ml over I 91 over Vt 244 | 1971 | 10,200 | Good |
| I 00091 Ml over I 91 over Vt 244 | 1971 | 10,200 | Fair |
| I 00091 Ml over I 91 over Fairlee V.s.h. | 1971 | 10,200 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Vermont: Vermont 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.