SR 4040 (lr 39072) over Switzer Creek
PoorLehigh County, Pennsylvania · Kistler Valley Rd. · Structure no. 000000000023418
- Built
- 1930
- 95 years old
- Condition
- Poor
- inspected April 2023
- Type
- Tee Beam
- Concrete
- Length
- 37 ft
- 1 main span
- Daily traffic
- 1,641
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SR 4040 (lr 39072) over Switzer Creek is a concrete tee beam carrying SR 4040 (lr 39072) over Switzer Creek in Lehigh County, Pennsylvania. It was built in 1930, so it is 95 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 1,641 vehicles a day, roughly 7% of them trucks, projected to reach 2,246 by 2032. The structure is 37 ft (11.3 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 4040 (lr 39072) over Switzer Creek built?
It was built in 1930, making it 95 years old in 2025.
What condition is SR 4040 (lr 39072) over Switzer 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 April 2023.
How much traffic does SR 4040 (lr 39072) over Switzer Creek carry?
About 1,641 vehicles per day (2024 count), of which roughly 7% are trucks.
How long is SR 4040 (lr 39072) over Switzer Creek?
The structure is 37 ft (11.3 m) long with a longest span of 34 ft (10.4 m) and a deck 33 ft wide.
Who owns SR 4040 (lr 39072) over Switzer Creek?
It is owned by the State Highway Agency.