Mt Orne Road over Connecticut River
FairPosted for loadCoos County, New Hampshire · At Vermont State Line · Structure no. 014100390010500
- Built
- 1911
- 114 years old, rebuilt 1988
- Condition
- Fair
- inspected September 2024
- Type
- Truss - Thru
- Wood or Timber
- Length
- 266 ft
- 2 main spans
- Daily traffic
- 642
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Mt Orne Road over Connecticut River is a wood or timber truss - thru carrying Mt Orne Road over Connecticut River in Coos County, New Hampshire. It was built in 1911 and reconstructed in 1988, so it is 114 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 5 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 642 vehicles a day, roughly 10% of them trucks, projected to reach 950 by 2043. The structure is 266 ft (81.1 m) long and 15 ft wide. If it were closed, the detour would be 14.3 mi (23 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mt Orne Road over Connecticut River built?
It was built in 1911, making it 114 years old in 2025. It was reconstructed in 1988.
What condition is Mt Orne Road over Connecticut 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 Mt Orne Road over Connecticut River carry?
About 642 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Mt Orne Road over Connecticut River?
The structure is 266 ft (81.1 m) long with a longest span of 128 ft (39 m) and a deck 15 ft wide.
Who owns Mt Orne Road over Connecticut River?
It is owned by the City or Municipal Highway Agency.