Gibraltar Road over Antietam Creek
GoodBerks County, Pennsylvania · Althouse Mill Bridge · Structure no. 000000000005358
- Built
- 1980
- 45 years old, rebuilt 2023
- Condition
- Good
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 74 ft
- 1 main span
- Daily traffic
- 11,973
- 2015 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Gibraltar Road over Antietam Creek is a prestressed concrete box beam or girders - multiple carrying Gibraltar Road over Antietam Creek in Berks County, Pennsylvania. It was built in 1980 and reconstructed in 2023, so it is 45 years old, younger than the Pennsylvania average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 11,973 vehicles a day, roughly 2% of them trucks, projected to reach 13,522 by 2035. The structure is 74 ft (22.6 m) long and 50 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 Gibraltar Road over Antietam Creek built?
It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2023.
What condition is Gibraltar Road over Antietam Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.
How much traffic does Gibraltar Road over Antietam Creek carry?
About 11,973 vehicles per day (2015 count), of which roughly 2% are trucks.
How long is Gibraltar Road over Antietam Creek?
The structure is 74 ft (22.6 m) long with a longest span of 73 ft (22.3 m) and a deck 50 ft wide.
Who owns Gibraltar Road over Antietam Creek?
It is owned by the Town or Township Highway Agency.