C3026 over Rock River
Windham County, Vermont · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- C3026 over Rock River in Windham County, Vermont, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1939 and reconstructed in 1997, making it 86 years old at the 2025 inventory.
- It carries about 180 vehicles a day (traffic count year 2019).
- Its listed owner is a town or township highway agency.
- It is one of 23 of the 338 inventoried bridges in Windham County rated poor (6.8%); 23 (6.8%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- It was rated fair in the 2024 inventory and is now poor (deck 8 to 7, superstructure 5 to 4).
- Its most recent inspection on record is dated September 2024, on a 12-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 poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (42.93755, -72.70419)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 7 | Good condition |
| Superstructure | 5 | 4 | Poor condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel through truss |
| Length | about 153 ft |
| Location | @ Jct W CL2 TH2 |
| NBI structure number | 101312004913121 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 7: scour countermeasures installed |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Vermont department of transportation.
Busiest bridges in Windham County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 00091 Ml over I 91 over Th No 5 | 2017 | 24,200 | Good |
| I 00091 Ml over I 91 over Vt 30 Westr | 2017 | 24,200 | Good |
| I 00091 Ml over I 91 NB over Maple St | 1960 | 19,400 | Good |
| I 00091 Ml over I 91 SB over Maple St | 1960 | 19,400 | Good |
| I 00091 Ml over I 91 over Williams St | 2012 | 19,400 | Good |
| I 00091 Ml over I 91 over Williams St | 2012 | 19,400 | Good |
All bridges nearby: Windham County, VT bridge conditions · every bridge in Windham County · Vermont bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.