Back Road T551 over S.Fork of Powell Creek
FairDauphin County, Pennsylvania · .4SW Crsnvll/S.Frk.Powell · Structure no. 000000000014671
- Built
- 1950
- 75 years old, rebuilt 1990
- Condition
- Fair
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 37 ft
- 1 main span
- Daily traffic
- 100
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Back Road T551 over S.Fork of Powell Creek is a prestressed concrete box beam or girders - multiple carrying Back Road T551 over S.Fork of Powell Creek in Dauphin County, Pennsylvania. It was built in 1950 and reconstructed in 1990, so it is 75 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 5 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 140 by 2041. The structure is 37 ft (11.3 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Back Road T551 over S.Fork of Powell Creek built?
It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1990.
What condition is Back Road T551 over S.Fork of Powell 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 July 2023.
How much traffic does Back Road T551 over S.Fork of Powell Creek carry?
About 100 vehicles per day (2021 count), of which roughly 1% are trucks.
How long is Back Road T551 over S.Fork of Powell Creek?
The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 26 ft wide.
Who owns Back Road T551 over S.Fork of Powell Creek?
It is owned by the County Highway Agency.