Silliman Street over Ir 680
GoodMahoning County, Ohio · 0.11 MI W of SR 193 · Structure no. 5006848
- Built
- 1963
- 62 years old, rebuilt 2011
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 260 ft
- 4 main spans
- Daily traffic
- 4,150
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Silliman Street over Ir 680 is a steel continuous stringer/multi-beam or girder carrying Silliman Street over Ir 680 in Mahoning County, Ohio. It was built in 1963 and reconstructed in 2011, so it is 62 years old, older than the Ohio average of 47.3 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 4,150 vehicles a day, roughly 5% of them trucks, projected to reach 75,589 by 2039. The structure is 260 ft (79.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Silliman Street over Ir 680 built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2011.
What condition is Silliman Street over Ir 680 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 2024.
How much traffic does Silliman Street over Ir 680 carry?
About 4,150 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is Silliman Street over Ir 680?
The structure is 260 ft (79.2 m) long with a longest span of 75 ft (23 m) and a deck 30 ft wide.
Who owns Silliman Street over Ir 680?
It is owned by the State Highway Agency.