ST 3 A/Lincoln ST over Water Back River
FairPlymouth County, Massachusetts · At Hingham Weymouth Tl · Structure no. H1500247KDOTNBI
- Built
- 1943
- 82 years old, rebuilt 2005
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 370 ft
- 5 main spans
- Daily traffic
- 29,300
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
ST 3 A/Lincoln ST over Water Back River is a steel continuous stringer/multi-beam or girder carrying ST 3 A/Lincoln ST over Water Back River in Plymouth County, Massachusetts. It was built in 1943 and reconstructed in 2005, so it is 82 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 29,300 vehicles a day, roughly 6% of them trucks, projected to reach 57,329 by 2031. The structure is 370 ft (112.8 m) long and 62 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 ST 3 A/Lincoln ST over Water Back River built?
It was built in 1943, making it 82 years old in 2025. It was reconstructed in 2005.
What condition is ST 3 A/Lincoln ST over Water Back 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 April 2024.
How much traffic does ST 3 A/Lincoln ST over Water Back River carry?
About 29,300 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is ST 3 A/Lincoln ST over Water Back River?
The structure is 370 ft (112.8 m) long with a longest span of 94 ft (28.7 m) and a deck 62 ft wide.
Who owns ST 3 A/Lincoln ST over Water Back River?
It is owned by the State Highway Agency.