East Penacook Road over Blackwater River
FairMerrimack County, New Hampshire · 1.4 MI FR Concord Tl · Structure no. 012901340016600
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 104 ft
- 2 main spans
- Daily traffic
- 1,664
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
East Penacook Road over Blackwater River is a steel continuous stringer/multi-beam or girder carrying East Penacook Road over Blackwater River in Merrimack County, New Hampshire. It was built in 1967, so it is 58 years old, older than the New Hampshire average of 56.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,664 vehicles a day, roughly 4% of them trucks, projected to reach 2,462 by 2043. The structure is 104 ft (31.7 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was East Penacook Road over Blackwater River built?
It was built in 1967, making it 58 years old in 2025.
What condition is East Penacook Road over Blackwater River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.
How much traffic does East Penacook Road over Blackwater River carry?
About 1,664 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is East Penacook Road over Blackwater River?
The structure is 104 ft (31.7 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.
Who owns East Penacook Road over Blackwater River?
It is owned by the City or Municipal Highway Agency.