Interstate-84 over Cider Mill Road
Tolland County, Connecticut · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Interstate-84 over Cider Mill Road in Tolland County, Connecticut, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1954 and reconstructed in 1977, making it 71 years old at the 2025 inventory.
- It carries about 71,600 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 116 of the 207 inventoried bridges in Tolland County rated fair (56.0%); 17 (8.2%) 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 → (41.86012, -72.36905)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Superstructure | 5 | Fair condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 37 ft |
| Location | 0.5 Mile West of Exit 68 |
| NBI structure number | 00837 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Connecticut department of transportation.
Busiest bridges in Tolland County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Interstate-84 over Skungamaug River | 1954 | 64,200 | Fair |
| Interstate-84 over Willimantic River | 1953 | 58,100 | Fair |
| Interstate-84 over New England Central RR | 1953 | 58,100 | Fair |
| I-84 EB & Ramp 061 over Hockanum River | 1981 | 54,800 | Fair |
| Interstate-84 over Roaring Brook | 1940 | 54,200 | Fair |
| Interstate-84 EB over Route 30 & 83 (overlap) | 1982 | 53,600 | Fair |
All bridges nearby: Tolland County, CT bridge conditions · every bridge in Tolland County · Connecticut bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.