HWY Ramp 1A/D over HWY Ramp 1A-A
FairSuffolk County, Massachusetts · 1.20 KM SE of Callahan Tu · Structure no. B165619GDMPANBI
- Built
- 2001
- 24 years old
- Condition
- Fair
- inspected August 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 656 ft
- 5 main spans
- Daily traffic
- 10,600
- 2001 count
- Owner
- State
- Other State Agency
About this bridge
HWY Ramp 1A/D over HWY Ramp 1A-A is a prestressed concrete continuous box beam or girders - single or spread carrying HWY Ramp 1A/D over HWY Ramp 1A-A in Suffolk County, Massachusetts. It was built in 2001, so it is 24 years old, younger 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 10,600 vehicles a day, projected to reach 16,741 by 2032. The structure is 656 ft (200.1 m) long and 26 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 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 HWY Ramp 1A/D over HWY Ramp 1A-A built?
It was built in 2001, making it 24 years old in 2025.
What condition is HWY Ramp 1A/D over HWY Ramp 1A-A 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 August 2023.
How much traffic does HWY Ramp 1A/D over HWY Ramp 1A-A carry?
About 10,600 vehicles per day (2001 count).
How long is HWY Ramp 1A/D over HWY Ramp 1A-A?
The structure is 656 ft (200.1 m) long with a longest span of 142 ft (43.4 m) and a deck 26 ft wide.
Who owns HWY Ramp 1A/D over HWY Ramp 1A-A?
It is owned by the Other State Agency.