C3012 over Lemon Fair River
Addison County, Vermont · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- C3012 over Lemon Fair River in Addison 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 1974, making it 51 years old at the 2025 inventory.
- It carries about 150 vehicles a day (traffic count year 2019).
- Its listed owner is a town or township highway agency.
- It is one of 74 of the 143 inventoried bridges in Addison County rated fair (51.7%); 3 (2.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated good in the 2024 inventory and is now fair (substructure 7 to 6).
- Its most recent inspection on record is dated August 2024, on a 24-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 → (44.04709, -73.2513)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 84 ft |
| Location | 0.06 Mi to Jct W CL3 TH5 |
| NBI structure number | 100122001101221 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Vermont department of transportation.
Busiest bridges in Addison County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 00007 Ml over Little Otter Creek | 1959 | 12,700 | Fair |
| US 00007 Ml over Lewis Creek | 1957 | 11,900 | Fair |
| Vt 0022A Alt over Otter Creek | 1934 | 10,700 | Poor |
| Vt 30 & City Merrw over VT30 & Merrw over Vt RR | 2021 | 9,000 | Good |
| US 00007 Ml over Middlebury River | 1964 | 8,500 | Fair |
| US 00007 Ml over New Haven River | 1960 | 8,300 | Fair |
All bridges nearby: Addison County, VT bridge conditions · every bridge in Addison County · Vermont bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.