I 495 NB over ST110 Amesbury RD
PoorEssex County, Massachusetts · 3.5 KM N ST125 · Structure no. H120352WUDOTNBI
- Built
- 1964
- 61 years old
- Condition
- Poor
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 139 ft
- 3 main spans
- Daily traffic
- 78,446
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I 495 NB over ST110 Amesbury RD is a steel stringer/multi-beam or girder carrying I 495 NB over ST110 Amesbury RD in Essex 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 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 78,446 vehicles a day, roughly 10% of them trucks, projected to reach 134,240 by 2031. The structure is 139 ft (42.4 m) long and 58 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 495 NB over ST110 Amesbury RD built?
It was built in 1964, making it 61 years old in 2025.
What condition is I 495 NB over ST110 Amesbury RD 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 May 2024.
How much traffic does I 495 NB over ST110 Amesbury RD carry?
About 78,446 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is I 495 NB over ST110 Amesbury RD?
The structure is 139 ft (42.4 m) long with a longest span of 64 ft (19.5 m) and a deck 58 ft wide.
Who owns I 495 NB over ST110 Amesbury RD?
It is owned by the State Highway Agency.