ST 3 A/Cshng HWY over RR MBTA
FairPlymouth County, Massachusetts · Mbta/Mbcr MP 17/811 · Structure no. H1500547LDOTNBI
- Built
- 1932
- 93 years old, rebuilt 2003
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 62 ft
- 1 main span
- Daily traffic
- 23,017
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
ST 3 A/Cshng HWY over RR MBTA is a steel stringer/multi-beam or girder carrying ST 3 A/Cshng HWY over RR MBTA in Plymouth County, Massachusetts. It was built in 1932 and reconstructed in 2003, so it is 93 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 6 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 23,017 vehicles a day, roughly 11% of them trucks, projected to reach 31,902 by 2031. The structure is 62 ft (18.9 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was ST 3 A/Cshng HWY over RR MBTA built?
It was built in 1932, making it 93 years old in 2025. It was reconstructed in 2003.
What condition is ST 3 A/Cshng HWY over RR MBTA 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 June 2024.
How much traffic does ST 3 A/Cshng HWY over RR MBTA carry?
About 23,017 vehicles per day (2024 count), of which roughly 11% are trucks.
How long is ST 3 A/Cshng HWY over RR MBTA?
The structure is 62 ft (18.9 m) long with a longest span of 57 ft (17.4 m) and a deck 52 ft wide.
Who owns ST 3 A/Cshng HWY over RR MBTA?
It is owned by the State Highway Agency.