ST 30 Comm Ave over Water Charles River
FairMiddlesex County, Massachusetts · Newton-Weston Town Line · Structure no. N120102K1DOTNBI
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 138 ft
- 1 main span
- Daily traffic
- 35,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
ST 30 Comm Ave over Water Charles River is a steel stringer/multi-beam or girder carrying ST 30 Comm Ave over Water Charles River in Middlesex County, Massachusetts. It was built in 1962, so it is 63 years old, younger than the Massachusetts average of 63.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 35,200 vehicles a day, roughly 4% of them trucks, projected to reach 51,485 by 2032. The structure is 138 ft (42.1 m) long and 93 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was ST 30 Comm Ave over Water Charles River built?
It was built in 1962, making it 63 years old in 2025.
What condition is ST 30 Comm Ave over Water Charles River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.
How much traffic does ST 30 Comm Ave over Water Charles River carry?
About 35,200 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is ST 30 Comm Ave over Water Charles River?
The structure is 138 ft (42.1 m) long with a longest span of 133 ft (40.5 m) and a deck 93 ft wide.
Who owns ST 30 Comm Ave over Water Charles River?
It is owned by the State Highway Agency.