PA-309 over Norristown Road
GoodMontgomery County, Pennsylvania · 1.5 Mi. W. PA-152 3257F02 · Structure no. 000000000046178
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 96 ft
- 1 main span
- Daily traffic
- 49,832
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
PA-309 over Norristown Road is a prestressed concrete box beam or girders - multiple carrying PA-309 over Norristown Road in Montgomery County, Pennsylvania. It was built in 2010, so it is 15 years old, younger 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 49,832 vehicles a day, roughly 5% of them trucks, projected to reach 50,851 by 2032. The structure is 96 ft (29.3 m) long and 86 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was PA-309 over Norristown Road built?
It was built in 2010, making it 15 years old in 2025.
What condition is PA-309 over Norristown Road 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 August 2024.
How much traffic does PA-309 over Norristown Road carry?
About 49,832 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is PA-309 over Norristown Road?
The structure is 96 ft (29.3 m) long with a longest span of 95 ft (29 m) and a deck 86 ft wide.
Who owns PA-309 over Norristown Road?
It is owned by the State Highway Agency.