I 90 over Comb I 95 & Charles Riv
FairMiddlesex County, Massachusetts · Over ST 128 Charles Rv S9 · Structure no. N120664QKDOTNBI
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 1,037 ft
- 8 main spans
- Daily traffic
- 119,166
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 over Comb I 95 & Charles Riv is a steel stringer/multi-beam or girder carrying I 90 over Comb I 95 & Charles Riv in Middlesex County, Massachusetts. It was built in 1964, so it is 61 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 119,166 vehicles a day, roughly 12% of them trucks, projected to reach 157,076 by 2032. The structure is 1,037 ft (316.1 m) long and 92 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 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 | 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 over Comb I 95 & Charles Riv built?
It was built in 1964, making it 61 years old in 2025.
What condition is I 90 over Comb I 95 & Charles Riv 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 March 2023.
How much traffic does I 90 over Comb I 95 & Charles Riv carry?
About 119,166 vehicles per day (2019 count), of which roughly 12% are trucks.
How long is I 90 over Comb I 95 & Charles Riv?
The structure is 1,037 ft (316.1 m) long with a longest span of 154 ft (46.9 m) and a deck 92 ft wide.
Who owns I 90 over Comb I 95 & Charles Riv?
It is owned by the State Highway Agency.