HWY Dalton ST over Comb I 90&CAMBRIA&CSX
PoorSuffolk County, Massachusetts · At Hynes Convntn Centr · Structure no. B1638238TMUNNBI
- Built
- 1850
- 175 years old, rebuilt 1964
- Condition
- Poor
- inspected August 2021
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 204 ft
- 4 main spans
- Daily traffic
- 17,844
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
HWY Dalton ST over Comb I 90&CAMBRIA&CSX is a steel stringer/multi-beam or girder carrying HWY Dalton ST over Comb I 90&CAMBRIA&CSX in Suffolk County, Massachusetts. It was built in 1850 and reconstructed in 1964, so it is 175 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 17,844 vehicles a day, roughly 16% of them trucks, projected to reach 14,687 by 2032. The structure is 204 ft (62.2 m) long and 71 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 |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was HWY Dalton ST over Comb I 90&CAMBRIA&CSX built?
It was built in 1850, making it 175 years old in 2025. It was reconstructed in 1964.
What condition is HWY Dalton ST over Comb I 90&CAMBRIA&CSX 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 August 2021.
How much traffic does HWY Dalton ST over Comb I 90&CAMBRIA&CSX carry?
About 17,844 vehicles per day (2017 count), of which roughly 16% are trucks.
How long is HWY Dalton ST over Comb I 90&CAMBRIA&CSX?
The structure is 204 ft (62.2 m) long with a longest span of 56 ft (17.1 m) and a deck 71 ft wide.
Who owns HWY Dalton ST over Comb I 90&CAMBRIA&CSX?
It is owned by the City or Municipal Highway Agency.