T-318 Koser Road over Conewago Creek
GoodLancaster County, Pennsylvania · 1/2 MI N of SR 0241 · Structure no. 000000000047873
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected December 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 55 ft
- 1 main span
- Daily traffic
- 420
- 2011 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
T-318 Koser Road over Conewago Creek is a prestressed concrete box beam or girders - multiple carrying T-318 Koser Road over Conewago Creek in Lancaster County, Pennsylvania. It was built in 2012, so it is 13 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 420 vehicles a day, roughly 2% of them trucks, projected to reach 560 by 2031. The structure is 55 ft (16.8 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T-318 Koser Road over Conewago Creek built?
It was built in 2012, making it 13 years old in 2025.
What condition is T-318 Koser Road over Conewago 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 December 2023.
How much traffic does T-318 Koser Road over Conewago Creek carry?
About 420 vehicles per day (2011 count), of which roughly 2% are trucks.
How long is T-318 Koser Road over Conewago Creek?
The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.5 m) and a deck 30 ft wide.
Who owns T-318 Koser Road over Conewago Creek?
It is owned by the Town or Township Highway Agency.