Nh 9(LOUDON Rd) over Storrs Street CSX
GoodMerrimack County, New Hampshire · .1 MI West of JCT I-93 · Structure no. 005201600010300
- Built
- 1970
- 55 years old, rebuilt 1997
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 195 ft
- 2 main spans
- Daily traffic
- 19,639
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Nh 9(LOUDON Rd) over Storrs Street CSX is a steel continuous stringer/multi-beam or girder carrying Nh 9(LOUDON Rd) over Storrs Street CSX in Merrimack County, New Hampshire. It was built in 1970 and reconstructed in 1997, so it is 55 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 19,639 vehicles a day, roughly 3% of them trucks, projected to reach 29,065 by 2043. The structure is 195 ft (59.4 m) long and 99 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nh 9(LOUDON Rd) over Storrs Street CSX built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1997.
What condition is Nh 9(LOUDON Rd) over Storrs Street CSX 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 2023.
How much traffic does Nh 9(LOUDON Rd) over Storrs Street CSX carry?
About 19,639 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Nh 9(LOUDON Rd) over Storrs Street CSX?
The structure is 195 ft (59.4 m) long with a longest span of 95 ft (29 m) and a deck 99 ft wide.
Who owns Nh 9(LOUDON Rd) over Storrs Street CSX?
It is owned by the City or Municipal Highway Agency.