SR 18 Main Street over Over Shenango River
GoodMercer County, Pennsylvania · Greenville Borough · Structure no. 000000000039617
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 118 ft
- 1 main span
- Daily traffic
- 10,072
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SR 18 Main Street over Over Shenango River is a prestressed concrete box beam or girders - multiple carrying SR 18 Main Street over Over Shenango River in Mercer County, Pennsylvania. It was built in 1997, so it is 28 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 10,072 vehicles a day, roughly 6% of them trucks, projected to reach 11,373 by 2032. The structure is 118 ft (36 m) long and 61 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 SR 18 Main Street over Over Shenango River built?
It was built in 1997, making it 28 years old in 2025.
What condition is SR 18 Main Street over Over Shenango River 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 August 2023.
How much traffic does SR 18 Main Street over Over Shenango River carry?
About 10,072 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is SR 18 Main Street over Over Shenango River?
The structure is 118 ft (36 m) long with a longest span of 117 ft (35.7 m) and a deck 61 ft wide.
Who owns SR 18 Main Street over Over Shenango River?
It is owned by the State Highway Agency.