C3033 over Donahue Brook
Chittenden County, Vermont · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- C3033 over Donahue Brook in Chittenden County, Vermont, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1934, making it 91 years old at the 2025 inventory.
- It carries about 350 vehicles a day (traffic count year 2019).
- Its listed owner is a town or township highway agency.
- It is one of 90 of the 184 inventoried bridges in Chittenden County rated fair (48.9%); 4 (2.2%) 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 → (44.41827, -72.98977)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 33 ft |
| Location | 0.27 Mi to Jct W CL2 TH4 |
| NBI structure number | 100411000704111 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Vermont department of transportation.
Busiest bridges in Chittenden County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 00089 Ml over Winooski River | 1962 | 56,400 | Good |
| I 00089 Ml over Winooski River | 1962 | 56,400 | Good |
| I 00089 Ml over I 89 over Necrr | 1962 | 56,400 | Good |
| I 00089 Ml over I 89 over Necrr | 1962 | 56,400 | Good |
| I 00089 Ml over I 89 over Vt 15 | 1962 | 56,400 | Fair |
| I 00089 Ml over I 89 over Vt 15 | 1962 | 56,400 | Fair |
All bridges nearby: Chittenden County, VT bridge conditions · every bridge in Chittenden County · Vermont bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.