HWY Main ST over Water Merrimack River
FairPosted for loadEssex County, Massachusetts · At Merrimac River · Structure no. A070142Y8DOTNBI
- Built
- 1909
- 116 years old, rebuilt 2003
- Condition
- Fair
- inspected December 2023
- Type
- Suspension
- Steel
- Length
- 265 ft
- 1 main span
- Daily traffic
- 19,271
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
HWY Main ST over Water Merrimack River is a steel suspension carrying HWY Main ST over Water Merrimack River in Essex County, Massachusetts. It was built in 1909 and reconstructed in 2003, so it is 116 years old, older 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. Its operating status is: posted for load restriction.
It carries about 19,271 vehicles a day, roughly 2% of them trucks, projected to reach 29,185 by 2032. The structure is 265 ft (80.8 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was HWY Main ST over Water Merrimack River built?
It was built in 1909, making it 116 years old in 2025. It was reconstructed in 2003.
What condition is HWY Main ST over Water Merrimack River 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 December 2023.
How much traffic does HWY Main ST over Water Merrimack River carry?
About 19,271 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is HWY Main ST over Water Merrimack River?
The structure is 265 ft (80.8 m) long with a longest span of 244 ft (74.4 m) and a deck 31 ft wide.
Who owns HWY Main ST over Water Merrimack River?
It is owned by the State Highway Agency.