![Barto Hollow Bridge, Penn Township, Lycoming County](https://bassetteng.com/wp-content/uploads/2017/12/IMG_0289-300x225.jpg)
Penn Township, Lycoming County
COMPLETION: April 2012
This bridge replacement included demolishing a timber deck bridge and replacing it with a 32′ long x 15′ wide x 7′ high aluminum box culvert on Barto Hollow Road over Greg’s Run. The new culvert has a larger cross-section opening that increases hydraulic capacities. The road was closed less than three weeks from the day the old bridge was demolished until traffic resumed.
![Barto Hollow Bridge, Penn Township, Lycoming County](https://bassetteng.com/wp-content/uploads/2017/12/IMG_0304-1024x768.jpg)
![Barto Hollow Bridge, Penn Township, Lycoming County](https://bassetteng.com/wp-content/uploads/2017/12/IMG_0314-150x150.jpg)
The non-corroding aluminum has a very long life comparable to cast-in-place concrete. Aluminum box culverts are assembled on top of the ground (can be done before the old bridge is removed) then a backhoe lowers them into place.
![Barto Hollow Bridge, Penn Township, Lycoming County](https://bassetteng.com/wp-content/uploads/2017/12/IMG_0294-300x225.jpg)
Work included improving the stream channel, stabilizing the bank with riprap and restoring the asphalt roadway. The culverts are buried at least 18″ below the stream bed, providing a natural stream channel. Engineering included stream hydrology and culvert hydraulic capacity calculations, obtaining a DEP General Permit GP-11, design, bidding and construction phase engineering.