Route 100 over Manatawny Creek
FairMontgomery County, Pennsylvania · Pottstown 11D9/3026E10 · Structure no. 000000000027299
- Built
- 1958
- 67 years old, rebuilt 1989
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 389 ft
- 5 main spans
- Daily traffic
- 26,919
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Route 100 over Manatawny Creek is a steel continuous stringer/multi-beam or girder carrying Route 100 over Manatawny Creek in Montgomery County, Pennsylvania. It was built in 1958 and reconstructed in 1989, 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 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 26,919 vehicles a day, roughly 6% of them trucks, projected to reach 35,336 by 2032. The structure is 389 ft (118.6 m) long and 75 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Route 100 over Manatawny Creek built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1989.
What condition is Route 100 over Manatawny Creek 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 June 2023.
How much traffic does Route 100 over Manatawny Creek carry?
About 26,919 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is Route 100 over Manatawny Creek?
The structure is 389 ft (118.6 m) long with a longest span of 85 ft (25.9 m) and a deck 75 ft wide.
Who owns Route 100 over Manatawny Creek?
It is owned by the State Highway Agency.