ST125 Bridge ST over Water Merrimack River
PoorPosted for loadEssex County, Massachusetts · .3 MI E Haverhill Center · Structure no. H1200730YDOTNBI
- Built
- 1925
- 100 years old
- Condition
- Poor
- inspected December 2024
- Type
- Girder and Floorbeam System
- Steel
- Length
- 804 ft
- 1 main span
- Daily traffic
- 33,900
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
ST125 Bridge ST over Water Merrimack River is a steel girder and floorbeam system carrying ST125 Bridge ST over Water Merrimack River in Essex County, Massachusetts. It was built in 1925, so it is 100 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. Its operating status is: posted for load restriction.
It carries about 33,900 vehicles a day, roughly 2% of them trucks, projected to reach 42,483 by 2031. The structure is 804 ft (245.1 m) long and 68 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was ST125 Bridge ST over Water Merrimack River built?
It was built in 1925, making it 100 years old in 2025.
What condition is ST125 Bridge ST over Water Merrimack 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 December 2024.
How much traffic does ST125 Bridge ST over Water Merrimack River carry?
About 33,900 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is ST125 Bridge ST over Water Merrimack River?
The structure is 804 ft (245.1 m) long with a longest span of 80 ft (24.4 m) and a deck 68 ft wide.
Who owns ST125 Bridge ST over Water Merrimack River?
It is owned by the State Highway Agency.