Felch Road over Lion Brook
Merrimack County, New Hampshire · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Felch Road over Lion Brook in Merrimack County, New Hampshire, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1983, making it 42 years old at the 2025 inventory.
- It carries about 96 vehicles a day (traffic count year 2023).
- Its listed owner is a city or municipal highway agency.
- It is one of 153 of the 326 inventoried bridges in Merrimack County rated fair (46.9%); 27 (8.3%) 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 → (43.37425, -71.96683)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 5 | Fair condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 27 ft |
| Location | 0.4 Mi From Keyser St |
| NBI structure number | 025000860014300 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the New Hampshire department of transportation.
Busiest bridges in Merrimack County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-93 Fee Tpk Ramp over Hackett Hill Road | 1978 | 86,013 | Fair |
| I-93 Fee Tpk over Cross Road | 1956 | 82,029 | Fair |
| I-93 Fee Tpk over Ramp A-b | 1957 | 79,640 | Fair |
| I-93 Fee Tpk over Dow Road | 1957 | 78,501 | Fair |
| I-93 Fee Tpk over Robinson Road | 1957 | 78,501 | Fair |
| I-93 Fee Tpk over US 3 Manchester Street | 2000 | 75,054 | Good |
All bridges nearby: Merrimack County, NH bridge conditions · every bridge in Merrimack County · New Hampshire bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.