SR 18 over Noel Mercer Ditch
GoodSeneca County, Ohio · 100 Ft. N. of CR 46 · Structure no. 7400812
- Built
- 1961
- 64 years old
- Condition
- Good
- inspected April 2023
- Type
- Culvert
- Concrete
- Length
- 39 ft
- 2 main spans
- Daily traffic
- 2,148
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SR 18 over Noel Mercer Ditch is a concrete culvert carrying SR 18 over Noel Mercer 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 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 2,148 vehicles a day, roughly 21% of them trucks, projected to reach 2,500 by 2043. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 6.8 mi (11 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 18 over Noel Mercer Ditch built?
It was built in 1961, making it 64 years old in 2025.
What condition is SR 18 over Noel Mercer Ditch 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 April 2023.
How much traffic does SR 18 over Noel Mercer Ditch carry?
About 2,148 vehicles per day (2021 count), of which roughly 21% are trucks.
How long is SR 18 over Noel Mercer Ditch?
The structure is 39 ft (11.9 m) long with a longest span of 15 ft (4.7 m).
Who owns SR 18 over Noel Mercer Ditch?
It is owned by the State Highway Agency.