T-478 over Marsh Creek
PoorTioga County, Pennsylvania · 2.3 Mi. W of Stokesdale · Structure no. 000000000033256
- Built
- 1935
- 90 years old, rebuilt 1991
- Condition
- Poor
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 44 ft
- 1 main span
- Daily traffic
- 100
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T-478 over Marsh Creek is a steel stringer/multi-beam or girder carrying T-478 over Marsh Creek in Tioga County, Pennsylvania. It was built in 1935 and reconstructed in 1991, so it is 90 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 155 by 2046. The structure is 44 ft (13.4 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 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 T-478 over Marsh Creek built?
It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1991.
What condition is T-478 over Marsh Creek 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 August 2023.
How much traffic does T-478 over Marsh Creek carry?
About 100 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is T-478 over Marsh Creek?
The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 20 ft wide.
Who owns T-478 over Marsh Creek?
It is owned by the Town or Township Highway Agency.