C4048 over Winooski River
Washington County, Vermont · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- C4048 over Winooski River in Washington 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 1919, making it 106 years old at the 2025 inventory.
- It carries about 10 vehicles a day (traffic count year 2019).
- Its listed owner is a town or township highway agency.
- It is one of 124 of the 248 inventoried bridges in Washington County rated fair (50.0%); 11 (4.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, temporary structure in place to carry legal loads while the original structure is closed awaiting replacement or rehabilitation (NBI item 41).
- It was rated poor in the 2024 inventory and is now fair (superstructure 6 to 7, substructure 0 to 7).
- Status change: reopened since 2024, when it was closed.
- Its most recent inspection on record is dated September 2023, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (44.30302, -72.39742)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 7 | Good condition |
| Substructure | 0 | 7 | Good condition |
Bridge details
| Structure | Steel girder and floorbeam |
| Length | about 60 ft |
| Location | 0.1 Mi to Jct W US2 |
| NBI structure number | 101209002212091 |
| Condition class | Fair |
| Traffic status (item 41) | Open, temporary structure in place to carry legal loads while the original structure is closed awaiting replacement or rehabilitation |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Vermont department of transportation.
Busiest bridges in Washington County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 00089 Ml over Little River | 1961 | 28,200 | Fair |
| I 00089 Ml over Little River | 1961 | 28,200 | Fair |
| I 00089 Ml over I 89 over Th No 7 | 1961 | 28,200 | Fair |
| I 00089 Ml over I 89 over Th No 7 | 1961 | 28,200 | Fair |
| I 00089 Ml over I 89 over US 2 | 1961 | 28,200 | Good |
| I 00089 Ml over I 89 over US 2 | 1961 | 28,200 | Good |
All bridges nearby: Washington County, VT bridge conditions · every bridge in Washington County · Vermont bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.