Black Bridge RD over Swift River
PoorOxford County, Maine · Connects RTE 17 to 120 · Structure no. 6325
- Built
- 1974
- 51 years old
- Condition
- Poor
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 98 ft
- 1 main span
- Daily traffic
- 372
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Black Bridge RD over Swift River is a steel stringer/multi-beam or girder carrying Black Bridge RD over Swift River in Oxford County, Maine. It was built in 1974, so it is 51 years old, younger than the Maine average of 53.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 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 372 vehicles a day, roughly 5% of them trucks, projected to reach 595 by 2036. The structure is 98 ft (29.9 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Black Bridge RD over Swift River built?
It was built in 1974, making it 51 years old in 2025.
What condition is Black Bridge RD over Swift River 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 April 2024.
How much traffic does Black Bridge RD over Swift River carry?
About 372 vehicles per day (2016 count), of which roughly 5% are trucks.
How long is Black Bridge RD over Swift River?
The structure is 98 ft (29.9 m) long with a longest span of 93 ft (28.3 m) and a deck 32 ft wide.
Who owns Black Bridge RD over Swift River?
It is owned by the State Highway Agency.