Spring Street over Middle River
Tolland County, Connecticut · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Spring Street over Middle River 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 1912, making it 113 years old at the 2025 inventory.
- It carries about 914 vehicles a day (traffic count year 2023).
- Its listed owner is a town or township 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.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated September 2023, 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 → (41.95311, -72.30468)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Masonry deck arch |
| Length | about 45 ft |
| Location | 100 Ft Fr Jct Route 190 |
| NBI structure number | 04779 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| 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 Connecticut department of transportation.
Busiest bridges in Tolland County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Interstate-84 over Cider Mill Road | 1954 | 71,600 | Fair |
| 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 |
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.