Cedar Street T-481 over Back Creek
PoorClosed to trafficFranklin County, Pennsylvania · Back Cr; Williamson · Structure no. 000000000017726
- Built
- 1876
- 149 years old
- Condition
- Poor
- inspected August 2024
- Type
- Truss - Thru
- Aluminum, Wrought Iron, or Cast Iron
- Length
- 119 ft
- 1 main span
- Daily traffic
- 100
- 1987 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Cedar Street T-481 over Back Creek is a aluminum, wrought iron, or cast iron truss - thru carrying Cedar Street T-481 over Back Creek in Franklin County, Pennsylvania. It was built in 1876, so it is 149 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. The structure is 119 ft (36.3 m) long and 15 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cedar Street T-481 over Back Creek built?
It was built in 1876, making it 149 years old in 2025.
What condition is Cedar Street T-481 over Back 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 2024.
How much traffic does Cedar Street T-481 over Back Creek carry?
About 100 vehicles per day (1987 count).
How long is Cedar Street T-481 over Back Creek?
The structure is 119 ft (36.3 m) long with a longest span of 117 ft (35.7 m) and a deck 15 ft wide.
Who owns Cedar Street T-481 over Back Creek?
It is owned by the Town or Township Highway Agency.