Mill Road (T540) over Valley Creek
PoorPosted for loadChester County, Pennsylvania · Tredyffrin Twp. 24A04 · Structure no. 000000000010720
- Built
- 1867
- 158 years old, rebuilt 1882
- Condition
- Poor
- inspected November 2022
- Type
- Truss - Thru
- Aluminum, Wrought Iron, or Cast Iron
- Length
- 37 ft
- 1 main span
- Daily traffic
- 1,831
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Mill Road (T540) over Valley Creek is a aluminum, wrought iron, or cast iron truss - thru carrying Mill Road (T540) over Valley Creek in Chester County, Pennsylvania. It was built in 1867 and reconstructed in 1882, so it is 158 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. Its operating status is: posted for load restriction.
It carries about 1,831 vehicles a day, roughly 5% of them trucks, projected to reach 2,135 by 2042. The structure is 37 ft (11.3 m) long and 15 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 | 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 Mill Road (T540) over Valley Creek built?
It was built in 1867, making it 158 years old in 2025. It was reconstructed in 1882.
What condition is Mill Road (T540) over Valley 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 November 2022.
How much traffic does Mill Road (T540) over Valley Creek carry?
About 1,831 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is Mill Road (T540) over Valley Creek?
The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 15 ft wide.
Who owns Mill Road (T540) over Valley Creek?
It is owned by the County Highway Agency.