I 90 Ramps a & B over Water Charles River
PoorMiddlesex County, Massachusetts · At Int 14 L50 · Structure no. N120654QLDOTNBI
- Built
- 1957
- 68 years old
- Condition
- Poor
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 301 ft
- 4 main spans
- Daily traffic
- 80,100
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 Ramps a & B over Water Charles River is a steel stringer/multi-beam or girder carrying I 90 Ramps a & B over Water Charles River in Middlesex County, Massachusetts. It was built in 1957, so it is 68 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 80,100 vehicles a day, roughly 7% of them trucks, projected to reach 175 by 2032. The structure is 301 ft (91.6 m) long and 72 ft wide. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 90 Ramps a & B over Water Charles River built?
It was built in 1957, making it 68 years old in 2025.
What condition is I 90 Ramps a & B 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 March 2023.
How much traffic does I 90 Ramps a & B over Water Charles River carry?
About 80,100 vehicles per day (2017 count), of which roughly 7% are trucks.
How long is I 90 Ramps a & B over Water Charles River?
The structure is 301 ft (91.6 m) long with a longest span of 80 ft (24.4 m) and a deck 72 ft wide.
Who owns I 90 Ramps a & B over Water Charles River?
It is owned by the State Highway Agency.