Saw Mill Run Blvd over Saw Mill Run
FairAllegheny County, Pennsylvania · At Whited Street · Structure no. 000000000000738
- Built
- 1929
- 96 years old, rebuilt 1941
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 60 ft
- 1 main span
- Daily traffic
- 40,495
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Saw Mill Run Blvd over Saw Mill Run is a steel stringer/multi-beam or girder carrying Saw Mill Run Blvd over Saw Mill Run in Allegheny County, Pennsylvania. It was built in 1929 and reconstructed in 1941, so it is 96 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.
It carries about 40,495 vehicles a day, roughly 10% of them trucks, projected to reach 53,908 by 2032. The structure is 60 ft (18.3 m) long and 61 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Saw Mill Run Blvd over Saw Mill Run built?
It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1941.
What condition is Saw Mill Run Blvd over Saw Mill Run 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 December 2023.
How much traffic does Saw Mill Run Blvd over Saw Mill Run carry?
About 40,495 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Saw Mill Run Blvd over Saw Mill Run?
The structure is 60 ft (18.3 m) long with a longest span of 55 ft (16.8 m) and a deck 61 ft wide.
Who owns Saw Mill Run Blvd over Saw Mill Run?
It is owned by the State Highway Agency.