Bridge conditions in Carroll County, New Hampshire
193 inventoried bridges · 10 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Carroll County tracks close to typical: 10 of its 193 inventoried bridges (5.2%) are rated poor, against a national rate of about 7%.
- 10 of the 193 bridges in Carroll County, New Hampshire, are rated in poor condition (5.2%) in the 2025 National Bridge Inventory, as of .
- 102 bridges (52.8%) are rated good and 81 (42.0%) fair.
- The median Carroll County bridge was built in 1965.
- The busiest poor-rated bridge is Nh 16A over E Br Saco River (built 1928), carrying about 1,078 vehicles a day.
Good 52.8% · Fair 42.0% · Poor 5.2% of 193 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Nh 16A over E Br Saco River | 1928 | 1,078 | Poor |
| Maple Street over Cold Brook | 1922 | 253 | Poor |
| Durgin Bridge Road over Cold River | 1869 | 164 | Poor |
| Drake Hill Road over Meadow Brook | 1930 | 108 | Poor |
| Fdr 17 over Burnt Knoll | 1975 | 100 | Poor |
| Granite Road over South River | 1920 | 96 | Poor |
| Upper Road over Bearcamp River | 1950 | 96 | Poor |
| Maple Street over Branch River | 1940 | 96 | Poor |
| Fdr 35 over Douglas Brook | 1950 | 50 | Poor |
| No Data Entered over No Data Entered | 1990 | 10 | Poor |
Busiest bridges in the 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 |
| Nh 16 Nh 25 over Bearcamp River | 2021 | 11,700 | Good |
| Nh 16 Nh 25 over Relief Bearcamp River | 2021 | 11,700 | Good |
| Nh 16 Nh 25 over Lovell River | 2021 | 11,700 | Good |
| Nh 16 Nh 25 over Old Nh 16 Old Nh 25 | 1970 | 11,700 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of New Hampshire: New Hampshire bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.