Durgin Bridge Road over Cold River
Carroll County, New Hampshire · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Durgin Bridge Road over Cold River in Carroll County, New Hampshire, 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 1869 and reconstructed in 1960, making it 156 years old at the 2025 inventory.
- It carries about 164 vehicles a day (traffic count year 2023).
- Its listed owner is a city or municipal highway agency.
- It is one of 10 of the 193 inventoried bridges in Carroll County rated poor (5.2%); 10 (5.2%) 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 (superstructure 5 to 4).
- Its most recent inspection on record is dated September 2024, on a 16-month routine inspection cycle.
- 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 → (43.85587, -71.3643)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 4 | Poor condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Timber through truss |
| Length | about 96 ft |
| Location | 100 Ft Fr Bearcamppond R |
| NBI structure number | 023302260011900 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 16 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New Hampshire department of transportation.
Busiest bridges in Carroll County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Nh 16 NH113 over Pequawket Pond | 1940 | 19,487 | Fair |
| US302 Nh 16 over Artist Falls Brook | 1900 | 13,702 | Good |
| US302 over Saco River | 1972 | 13,313 | Fair |
| Nh 16 over Branch River | 1966 | 12,893 | Fair |
| Nh 16 over Saco River | 1945 | 12,188 | Fair |
| Nh 16 Nh 25 over Chocorua River | 1955 | 11,700 | Good |
All bridges nearby: Carroll County, NH bridge conditions · every bridge in Carroll County · New Hampshire bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.