Traffic Route 100 over Manatawny Street
FairMontgomery County, Pennsylvania · Pottstown 3026-E09 · Structure no. 000000000027300
- Built
- 1958
- 67 years old, rebuilt 1969
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 130 ft
- 3 main spans
- Daily traffic
- 26,919
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Traffic Route 100 over Manatawny Street is a steel continuous stringer/multi-beam or girder carrying Traffic Route 100 over Manatawny Street in Montgomery County, Pennsylvania. It was built in 1958 and reconstructed in 1969, 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 130 ft (39.6 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 | 7 Good | Some minor problems. |
| 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Traffic Route 100 over Manatawny Street built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1969.
What condition is Traffic Route 100 over Manatawny Street 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 March 2023.
How much traffic does Traffic Route 100 over Manatawny Street carry?
About 26,919 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is Traffic Route 100 over Manatawny Street?
The structure is 130 ft (39.6 m) long with a longest span of 61 ft (18.6 m) and a deck 75 ft wide.
Who owns Traffic Route 100 over Manatawny Street?
It is owned by the State Highway Agency.