Mascoma Street over I-89 Nh 10
GoodGrafton County, New Hampshire · 5.5 MI Enfield Tl · Structure no. 014401030011600
- Built
- 1966
- 59 years old, rebuilt 2020
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 187 ft
- 2 main spans
- Daily traffic
- 1,275
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Mascoma Street over I-89 Nh 10 is a steel stringer/multi-beam or girder carrying Mascoma Street over I-89 Nh 10 in Grafton County, New Hampshire. It was built in 1966 and reconstructed in 2020, so it is 59 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,275 vehicles a day, roughly 5% of them trucks, projected to reach 1,887 by 2043. The structure is 187 ft (57 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mascoma Street over I-89 Nh 10 built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2020.
What condition is Mascoma Street over I-89 Nh 10 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.
How much traffic does Mascoma Street over I-89 Nh 10 carry?
About 1,275 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Mascoma Street over I-89 Nh 10?
The structure is 187 ft (57 m) long with a longest span of 90 ft (27.4 m) and a deck 35 ft wide.
Who owns Mascoma Street over I-89 Nh 10?
It is owned by the State Highway Agency.