T717 Donnelleville over Little Bull Creek
PoorAllegheny County, Pennsylvania · Btw SR1035 & SR1037 · Structure no. 000000000049122
- Built
- 1920
- 105 years old
- Condition
- Poor
- inspected January 2023
- Type
- Arch - Deck
- Concrete
- Length
- 28 ft
- 1 main span
- Daily traffic
- 221
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
T717 Donnelleville over Little Bull Creek is a concrete arch - deck carrying T717 Donnelleville over Little Bull Creek in Allegheny 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.
It carries about 221 vehicles a day, roughly 6% of them trucks, projected to reach 500 by 2035. The structure is 28 ft (8.5 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 T717 Donnelleville over Little Bull Creek built?
It was built in 1920, making it 105 years old in 2025.
What condition is T717 Donnelleville over Little Bull 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 January 2023.
How much traffic does T717 Donnelleville over Little Bull Creek carry?
About 221 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is T717 Donnelleville over Little Bull Creek?
The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 22 ft wide.
Who owns T717 Donnelleville over Little Bull Creek?
It is owned by the State Highway Agency.