T-421 Gehr RD over Campbell Run
GoodFranklin County, Pennsylvania · 300 Ft SW of SR 3013 · Structure no. 000000000017713
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 42 ft
- 1 main span
- Daily traffic
- 275
- 2009 count
- Owner
- County
- County Highway Agency
About this bridge
T-421 Gehr RD over Campbell Run is a prestressed concrete box beam or girders - multiple carrying T-421 Gehr RD over Campbell Run in Franklin County, Pennsylvania. It was built in 1974, so it is 51 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 275 vehicles a day, projected to reach 350 by 2029. The structure is 42 ft (12.8 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 T-421 Gehr RD over Campbell Run built?
It was built in 1974, making it 51 years old in 2025.
What condition is T-421 Gehr RD over Campbell Run 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 October 2023.
How much traffic does T-421 Gehr RD over Campbell Run carry?
About 275 vehicles per day (2009 count).
How long is T-421 Gehr RD over Campbell Run?
The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.5 m) and a deck 31 ft wide.
Who owns T-421 Gehr RD over Campbell Run?
It is owned by the County Highway Agency.