ST122 Grafton ST over US 20 SW Cut Off
PoorWorcester County, Massachusetts · .3 Mi. N. of Millbury Tl · Structure no. W440631LADOTNBI
- Built
- 1931
- 94 years old
- Condition
- Poor
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 88 ft
- 2 main spans
- Daily traffic
- 18,356
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
ST122 Grafton ST over US 20 SW Cut Off is a steel stringer/multi-beam or girder carrying ST122 Grafton ST over US 20 SW Cut Off in Worcester County, Massachusetts. It was built in 1931, so it is 94 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 3 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 18,356 vehicles a day, roughly 2% of them trucks, projected to reach 38,535 by 2032. The structure is 88 ft (26.8 m) long and 75 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was ST122 Grafton ST over US 20 SW Cut Off built?
It was built in 1931, making it 94 years old in 2025.
What condition is ST122 Grafton ST over US 20 SW Cut Off 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 2023.
How much traffic does ST122 Grafton ST over US 20 SW Cut Off carry?
About 18,356 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is ST122 Grafton ST over US 20 SW Cut Off?
The structure is 88 ft (26.8 m) long with a longest span of 42 ft (12.8 m) and a deck 75 ft wide.
Who owns ST122 Grafton ST over US 20 SW Cut Off?
It is owned by the State Highway Agency.