Pa 309 By-Pass over Branch Wissahickon Creek
GoodMontgomery County, Pennsylvania · Enfield 3369H03 · Structure no. 000000000027368
- Built
- 1958
- 67 years old, rebuilt 2006
- Condition
- Good
- inspected September 2024
- Type
- Arch - Deck
- Concrete
- Length
- 42 ft
- 1 main span
- Daily traffic
- 58,495
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Pa 309 By-Pass over Branch Wissahickon Creek is a concrete arch - deck carrying Pa 309 By-Pass over Branch Wissahickon Creek in Montgomery County, Pennsylvania. It was built in 1958 and reconstructed in 2006, so it is 67 years old, older than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 58,495 vehicles a day, roughly 3% of them trucks, projected to reach 60,532 by 2032. The structure is 42 ft (12.8 m) long and 93 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Pa 309 By-Pass over Branch Wissahickon Creek built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2006.
What condition is Pa 309 By-Pass over Branch Wissahickon Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.
How much traffic does Pa 309 By-Pass over Branch Wissahickon Creek carry?
About 58,495 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Pa 309 By-Pass over Branch Wissahickon Creek?
The structure is 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m) and a deck 93 ft wide.
Who owns Pa 309 By-Pass over Branch Wissahickon Creek?
It is owned by the State Highway Agency.