SR 18 over Westerhouse Ditch
FairSeneca County, Ohio · 3.9 Mi. North of SR 163 · Structure no. 7400810
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected April 2024
- Type
- Slab
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 1,987
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
SR 18 over Westerhouse Ditch is a concrete slab carrying SR 18 over Westerhouse Ditch in Seneca County, Ohio. It was built in 1961, so it is 64 years old, older than the Ohio average of 47.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,987 vehicles a day, roughly 12% of them trucks, projected to reach 2,758 by 2035. The structure is 26 ft (7.9 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 SR 18 over Westerhouse Ditch built?
It was built in 1961, making it 64 years old in 2025.
What condition is SR 18 over Westerhouse Ditch in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.
How much traffic does SR 18 over Westerhouse Ditch carry?
About 1,987 vehicles per day (2015 count), of which roughly 12% are trucks.
How long is SR 18 over Westerhouse Ditch?
The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 44 ft wide.
Who owns SR 18 over Westerhouse Ditch?
It is owned by the State Highway Agency.