T-642 over Zimmerman Creek
PoorClosed to trafficTioga County, Pennsylvania · 0.5 Mile NE of Nauvoo · Structure no. 000000000033286
- Built
- 1909
- 116 years old, rebuilt 1989
- Condition
- Poor
- inspected July 2023
- Type
- Truss - Thru
- Steel
- Length
- 42 ft
- 1 main span
- Daily traffic
- 50
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T-642 over Zimmerman Creek is a steel truss - thru carrying T-642 over Zimmerman Creek in Tioga County, Pennsylvania. It was built in 1909 and reconstructed in 1989, so it is 116 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 1 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. Its operating status is: closed to all traffic.
It carries about 50 vehicles a day, projected to reach 77 by 2045. The structure is 42 ft (12.8 m) long and 14 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 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 1 Imminent Failure | Major deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service. |
| Channel and channel protection | 1 Imminent Failure | Major deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T-642 over Zimmerman Creek built?
It was built in 1909, making it 116 years old in 2025. It was reconstructed in 1989.
What condition is T-642 over Zimmerman 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 July 2023.
How much traffic does T-642 over Zimmerman Creek carry?
About 50 vehicles per day (2023 count).
How long is T-642 over Zimmerman Creek?
The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 14 ft wide.
Who owns T-642 over Zimmerman Creek?
It is owned by the Town or Township Highway Agency.