T-594 over Chillisquaque Creek
PoorClosed to trafficNorthumberland County, Pennsylvania · East of Pottsgrove · Structure no. 000000000029330
- Built
- 1881
- 144 years old, rebuilt 1985
- Condition
- Poor
- inspected August 2023
- Type
- Truss - Thru
- Wood or Timber
- Length
- 79 ft
- 1 main span
- Daily traffic
- 100
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
T-594 over Chillisquaque Creek is a wood or timber truss - thru carrying T-594 over Chillisquaque Creek in Northumberland County, Pennsylvania. It was built in 1881 and reconstructed in 1985, so it is 144 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 100 vehicles a day, projected to reach 155 by 2040. The structure is 79 ft (24.1 m) long and 17 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 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. |
| 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 T-594 over Chillisquaque Creek built?
It was built in 1881, making it 144 years old in 2025. It was reconstructed in 1985.
What condition is T-594 over Chillisquaque 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-594 over Chillisquaque Creek carry?
About 100 vehicles per day (2018 count).
How long is T-594 over Chillisquaque Creek?
The structure is 79 ft (24.1 m) long with a longest span of 79 ft (24.1 m) and a deck 17 ft wide.
Who owns T-594 over Chillisquaque Creek?
It is owned by the County Highway Agency.