T-684 Rockefeller over Trib.To Plum Creek
PoorPosted for loadNorthumberland County, Pennsylvania · 0.9 MI NE Seven Points · Structure no. 000000000029359
- Built
- 1920
- 105 years old
- Condition
- Poor
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 26 ft
- 1 main span
- Daily traffic
- 75
- 2020 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T-684 Rockefeller over Trib.To Plum Creek is a steel stringer/multi-beam or girder carrying T-684 Rockefeller over Trib.To Plum Creek in Northumberland County, Pennsylvania. It was built in 1920, so it is 105 years old, older than the Pennsylvania average of 54.8 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. Its operating status is: posted for load restriction.
It carries about 75 vehicles a day, projected to reach 116 by 2042. The structure is 26 ft (7.9 m) long and 23 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 T-684 Rockefeller over Trib.To Plum Creek built?
It was built in 1920, making it 105 years old in 2025.
What condition is T-684 Rockefeller over Trib.To Plum Creek 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 March 2023.
How much traffic does T-684 Rockefeller over Trib.To Plum Creek carry?
About 75 vehicles per day (2020 count).
How long is T-684 Rockefeller over Trib.To Plum Creek?
The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.
Who owns T-684 Rockefeller over Trib.To Plum Creek?
It is owned by the Town or Township Highway Agency.