C3058 over Miles Stream
Essex County, Vermont · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- C3058 over Miles Stream in Essex 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 1971, making it 54 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 30 of the 66 inventoried bridges in Essex County rated fair (45.5%); 3 (4.5%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated September 2024, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (44.42449, -71.75444)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 43 ft |
| Location | 0.1 Mi Jct Th 58 + Th 4 |
| NBI structure number | 100507003305071 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Vermont department of transportation.
Busiest bridges in Essex County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 2 over Connecticut River | 2020 | 3,228 | Good |
| VT114 Main Street over Connecticut River | 1990 | 3,120 | Good |
| US 00002 Ml over Kirby Brook | 1942 | 2,700 | Fair |
| US 00002 Ml over Moose River | 1961 | 2,700 | Good |
| Vt 00105 Ml over Vt 105 over St. L & A RR | 1973 | 2,000 | Good |
| Vt 00105 Ml over Cold Brook | 2013 | 1,500 | Good |
All bridges nearby: Essex County, VT bridge conditions · every bridge in Essex County · Vermont bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.