Rosemont Avenue over Darby Creek
GoodDelaware County, Pennsylvania · 1MILE SE US 1 Adc 21 D3 · Structure no. 000000000054444
- Built
- 2017
- 8 years old
- Condition
- Good
- inspected November 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 79 ft
- 1 main span
- Daily traffic
- 3,340
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Rosemont Avenue over Darby Creek is a prestressed concrete box beam or girders - multiple carrying Rosemont Avenue over Darby Creek in Delaware County, Pennsylvania. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,340 vehicles a day, roughly 6% of them trucks, projected to reach 3,735 by 2042. The structure is 79 ft (24.1 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| 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 Rosemont Avenue over Darby Creek built?
It was built in 2017, making it 8 years old in 2025.
What condition is Rosemont Avenue over Darby 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 November 2023.
How much traffic does Rosemont Avenue over Darby Creek carry?
About 3,340 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is Rosemont Avenue over Darby Creek?
The structure is 79 ft (24.1 m) long with a longest span of 77 ft (23.5 m) and a deck 39 ft wide.
Who owns Rosemont Avenue over Darby Creek?
It is owned by the County Highway Agency.