Flume Bus Route over Pemigewasset River
FairPosted for loadGrafton County, New Hampshire · The Flume · Structure no. 014801490011000
- Built
- 1886
- 139 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 52 ft
- 1 main span
- Daily traffic
- 50
- 2000 count
- Owner
- State
- State Park, Forest, or Reservation Agency
About this bridge
Flume Bus Route over Pemigewasset River is a steel stringer/multi-beam or girder carrying Flume Bus Route over Pemigewasset River in Grafton County, New Hampshire. It was built in 1886, so it is 139 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. Its operating status is: posted for load restriction.
It carries about 50 vehicles a day, roughly 1% of them trucks, projected to reach 74 by 2020. The structure is 52 ft (15.8 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Flume Bus Route over Pemigewasset River built?
It was built in 1886, making it 139 years old in 2025.
What condition is Flume Bus Route over Pemigewasset 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 September 2024.
How much traffic does Flume Bus Route over Pemigewasset River carry?
About 50 vehicles per day (2000 count), of which roughly 1% are trucks.
How long is Flume Bus Route over Pemigewasset River?
The structure is 52 ft (15.8 m) long with a longest span of 42 ft (12.8 m) and a deck 16 ft wide.
Who owns Flume Bus Route over Pemigewasset River?
It is owned by the State Park, Forest, or Reservation Agency.