SR 3011 Knapp Road over Over Marsh Run
PoorErie County, Pennsylvania · Conneaut Township · Structure no. 000000000016314
- Built
- 1961
- 64 years old
- Condition
- Poor
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 39 ft
- 1 main span
- Daily traffic
- 417
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SR 3011 Knapp Road over Over Marsh Run is a steel stringer/multi-beam or girder carrying SR 3011 Knapp Road over Over Marsh Run in Erie County, Pennsylvania. It was built in 1961, so it is 64 years old, older than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 417 vehicles a day, roughly 5% of them trucks, projected to reach 412 by 2032. The structure is 39 ft (11.9 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 SR 3011 Knapp Road over Over Marsh Run built?
It was built in 1961, making it 64 years old in 2025.
What condition is SR 3011 Knapp Road over Over Marsh Run in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does SR 3011 Knapp Road over Over Marsh Run carry?
About 417 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is SR 3011 Knapp Road over Over Marsh Run?
The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 32 ft wide.
Who owns SR 3011 Knapp Road over Over Marsh Run?
It is owned by the State Highway Agency.