Mason Street over Androscoggin River
FairCoos County, New Hampshire · 350FT West of Unity ST · Structure no. 002302390005500
- Built
- 1967
- 58 years old, rebuilt 1977
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 121 ft
- 1 main span
- Daily traffic
- 3,538
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Mason Street over Androscoggin River is a steel stringer/multi-beam or girder carrying Mason Street over Androscoggin River in Coos County, New Hampshire. It was built in 1967 and reconstructed in 1977, 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 5 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 3,538 vehicles a day, roughly 5% of them trucks, projected to reach 5,236 by 2043. The structure is 121 ft (36.9 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mason Street over Androscoggin River built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1977.
What condition is Mason Street over Androscoggin 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 Mason Street over Androscoggin River carry?
About 3,538 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Mason Street over Androscoggin River?
The structure is 121 ft (36.9 m) long with a longest span of 118 ft (36 m) and a deck 39 ft wide.
Who owns Mason Street over Androscoggin River?
It is owned by the City or Municipal Highway Agency.