HWY SB Lowll Con over HWY Plain ST
GoodMiddlesex County, Massachusetts · 1.2 Miles N of I-495 · Structure no. L15072B56DOTNBI
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 148 ft
- 3 main spans
- Daily traffic
- 24,827
- 2025 count
- Owner
- State
- State Highway Agency
About this bridge
HWY SB Lowll Con over HWY Plain ST is a steel continuous stringer/multi-beam or girder carrying HWY SB Lowll Con over HWY Plain ST in Middlesex County, Massachusetts. It was built in 2012, so it is 13 years old, younger than the Massachusetts average of 63.8 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 24,827 vehicles a day, roughly 10% of them trucks. The structure is 148 ft (45.1 m) long and 61 ft wide. If it were closed, the detour would be 0.6 mi (1 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 HWY SB Lowll Con over HWY Plain ST built?
It was built in 2012, making it 13 years old in 2025.
What condition is HWY SB Lowll Con over HWY Plain ST 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 December 2024.
How much traffic does HWY SB Lowll Con over HWY Plain ST carry?
About 24,827 vehicles per day (2025 count), of which roughly 10% are trucks.
How long is HWY SB Lowll Con over HWY Plain ST?
The structure is 148 ft (45.1 m) long with a longest span of 65 ft (19.8 m) and a deck 61 ft wide.
Who owns HWY SB Lowll Con over HWY Plain ST?
It is owned by the State Highway Agency.