SR 422(LR 146) over Antietam Creek
FairBerks County, Pennsylvania · At Shelbourne Rd. Inter. · Structure no. 000000000004862
- Built
- 1929
- 96 years old, rebuilt 1990
- Condition
- Fair
- inspected January 2024
- Type
- Tee Beam
- Concrete
- Length
- 62 ft
- 2 main spans
- Daily traffic
- 35,002
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SR 422(LR 146) over Antietam Creek is a concrete tee beam carrying SR 422(LR 146) over Antietam Creek in Berks County, Pennsylvania. It was built in 1929 and reconstructed in 1990, so it is 96 years old, older than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 35,002 vehicles a day, roughly 6% of them trucks, projected to reach 50,509 by 2032. The structure is 62 ft (18.9 m) long and 71 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 422(LR 146) over Antietam Creek built?
It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1990.
What condition is SR 422(LR 146) over Antietam Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.
How much traffic does SR 422(LR 146) over Antietam Creek carry?
About 35,002 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is SR 422(LR 146) over Antietam Creek?
The structure is 62 ft (18.9 m) long with a longest span of 28 ft (8.5 m) and a deck 71 ft wide.
Who owns SR 422(LR 146) over Antietam Creek?
It is owned by the State Highway Agency.