C3031 over Lilliesville Brook
Windsor County, Vermont · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- C3031 over Lilliesville Brook in Windsor County, Vermont, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1930 and reconstructed in 2007, making it 95 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2019).
- Its listed owner is a town or township highway agency.
- It is one of 241 of the 483 inventoried bridges in Windsor County rated fair (49.9%); 26 (5.4%) are rated poor.
- 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 → (43.80606, -72.68445)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 40 ft |
| Location | 0.6 Mi Jct Th 31 + Th 43 |
| NBI structure number | 101404003314041 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Vermont department of transportation.
Busiest bridges in Windsor County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 00089 Ml over I 89 over Th No 78 | 1965 | 42,000 | Good |
| I 00091 Ml over I 91 over US 5 | 2015 | 31,000 | Good |
| I 00091 Ml over I 91 over US 5 | 2015 | 31,000 | Good |
| I 00089 Ml over I 89 over Th No 46 | 1967 | 26,000 | Good |
| I 00089 Ml over I 89 over US 5 | 1966 | 26,000 | Fair |
| I 00089 Ml over I 89 over US 5 | 1966 | 26,000 | Fair |
All bridges nearby: Windsor County, VT bridge conditions · every bridge in Windsor County · Vermont bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.