ST110 /ST38 over Water Merrimack River
FairMiddlesex County, Massachusetts · At Saints Memoial · Structure no. L150592PADOTNBI
- Built
- 1954
- 71 years old, rebuilt 2012
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 455 ft
- 3 main spans
- Daily traffic
- 56,200
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
ST110 /ST38 over Water Merrimack River is a steel continuous stringer/multi-beam or girder carrying ST110 /ST38 over Water Merrimack River in Middlesex County, Massachusetts. It was built in 1954 and reconstructed in 2012, so it is 71 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.
It carries about 56,200 vehicles a day, roughly 2% of them trucks, projected to reach 76,122 by 2032. The structure is 455 ft (138.7 m) long and 76 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was ST110 /ST38 over Water Merrimack River built?
It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2012.
What condition is ST110 /ST38 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 May 2024.
How much traffic does ST110 /ST38 over Water Merrimack River carry?
About 56,200 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is ST110 /ST38 over Water Merrimack River?
The structure is 455 ft (138.7 m) long with a longest span of 170 ft (51.8 m) and a deck 76 ft wide.
Who owns ST110 /ST38 over Water Merrimack River?
It is owned by the State Highway Agency.