HWY Cambridge ST over Water Charles River
PoorSuffolk County, Massachusetts · .64 KM E of N Harvard ST · Structure no. B160064F3DOTNBI
- Built
- 1925
- 100 years old
- Condition
- Poor
- inspected July 2023
- Type
- Arch - Deck
- Concrete
- Length
- 210 ft
- 3 main spans
- Daily traffic
- 33,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
HWY Cambridge ST over Water Charles River is a concrete arch - deck carrying HWY Cambridge ST over Water Charles River in Suffolk County, Massachusetts. It was built in 1925, so it is 100 years old, older than the Massachusetts average of 63.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 33,400 vehicles a day, roughly 9% of them trucks, projected to reach 50,696 by 2032. The structure is 210 ft (64 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was HWY Cambridge ST over Water Charles River built?
It was built in 1925, making it 100 years old in 2025.
What condition is HWY Cambridge ST over Water Charles River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.
How much traffic does HWY Cambridge ST over Water Charles River carry?
About 33,400 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is HWY Cambridge ST over Water Charles River?
The structure is 210 ft (64 m) long with a longest span of 75 ft (22.9 m) and a deck 61 ft wide.
Who owns HWY Cambridge ST over Water Charles River?
It is owned by the State Highway Agency.