Mcknight RD over Babcock Blvd Girdys Run
PoorAllegheny County, Pennsylvania · Over 02328 & Girtys Run · Structure no. 000000000001904
- Built
- 1946
- 79 years old
- Condition
- Poor
- inspected April 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 221 ft
- 3 main spans
- Daily traffic
- 50,212
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mcknight RD over Babcock Blvd Girdys Run is a concrete continuous tee beam carrying Mcknight RD over Babcock Blvd Girdys Run in Allegheny County, Pennsylvania. It was built in 1946, so it is 79 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 50,212 vehicles a day, roughly 2% of them trucks, projected to reach 35,553 by 2032. The structure is 221 ft (67.4 m) long and 68 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mcknight RD over Babcock Blvd Girdys Run built?
It was built in 1946, making it 79 years old in 2025.
What condition is Mcknight RD over Babcock Blvd Girdys Run 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 2023.
How much traffic does Mcknight RD over Babcock Blvd Girdys Run carry?
About 50,212 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is Mcknight RD over Babcock Blvd Girdys Run?
The structure is 221 ft (67.4 m) long with a longest span of 70 ft (21.3 m) and a deck 68 ft wide.
Who owns Mcknight RD over Babcock Blvd Girdys Run?
It is owned by the State Highway Agency.