Cass Mill Road over Smith River
GoodMerrimack County, New Hampshire · At Alexandria Tl · Structure no. 012300750015100
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 75 ft
- 1 main span
- Daily traffic
- 96
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Cass Mill Road over Smith River is a steel stringer/multi-beam or girder carrying Cass Mill Road over Smith River in Merrimack County, New Hampshire. It was built in 2000, so it is 25 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 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 75 ft (22.9 m) long and 18 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cass Mill Road over Smith River built?
It was built in 2000, making it 25 years old in 2025.
What condition is Cass Mill Road over Smith 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 July 2024.
How much traffic does Cass Mill Road over Smith River carry?
About 96 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Cass Mill Road over Smith River?
The structure is 75 ft (22.9 m) long with a longest span of 70 ft (21.3 m) and a deck 18 ft wide.
Who owns Cass Mill Road over Smith River?
It is owned by the City or Municipal Highway Agency.