NH108 over Oyster River
GoodStrafford County, New Hampshire · .2 MI FR Jct. Rte. 4 · Structure no. 007001140011100
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected June 2024
- Type
- Frame
- Concrete
- Length
- 31 ft
- 1 main span
- Daily traffic
- 11,978
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
NH108 over Oyster River is a concrete frame carrying NH108 over Oyster River in Strafford County, New Hampshire. It was built in 1991, so it is 34 years old, younger 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 11,978 vehicles a day, roughly 4% of them trucks, projected to reach 17,727 by 2043. The structure is 31 ft (9.5 m) long and 45 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NH108 over Oyster River built?
It was built in 1991, making it 34 years old in 2025.
What condition is NH108 over Oyster River 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 2024.
How much traffic does NH108 over Oyster River carry?
About 11,978 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is NH108 over Oyster River?
The structure is 31 ft (9.5 m) long with a longest span of 25 ft (7.6 m) and a deck 45 ft wide.
Who owns NH108 over Oyster River?
It is owned by the State Highway Agency.