T-427 Yellow Dog over Buffalo Creek
FairPosted for loadArmstrong County, Pennsylvania · 1 Mile West of SR 3011 · Structure no. 000000000003422
- Built
- 1924
- 101 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 90 ft
- 2 main spans
- Daily traffic
- 125
- 2006 count
- Owner
- County
- County Highway Agency
About this bridge
T-427 Yellow Dog over Buffalo Creek is a steel stringer/multi-beam or girder carrying T-427 Yellow Dog over Buffalo Creek in Armstrong County, Pennsylvania. It was built in 1924, so it is 101 years old, older than the Pennsylvania average of 54.8 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. Its operating status is: posted for load restriction.
It carries about 125 vehicles a day, roughly 9% of them trucks, projected to reach 140 by 2026. The structure is 90 ft (27.4 m) long and 20 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 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 | 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T-427 Yellow Dog over Buffalo Creek built?
It was built in 1924, making it 101 years old in 2025.
What condition is T-427 Yellow Dog over Buffalo Creek 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 May 2023.
How much traffic does T-427 Yellow Dog over Buffalo Creek carry?
About 125 vehicles per day (2006 count), of which roughly 9% are trucks.
How long is T-427 Yellow Dog over Buffalo Creek?
The structure is 90 ft (27.4 m) long with a longest span of 40 ft (12.2 m) and a deck 20 ft wide.
Who owns T-427 Yellow Dog over Buffalo Creek?
It is owned by the County Highway Agency.