Old Mill RD.TR-146 over Ir 70
GoodClark County, Ohio · 1.5 MI W of JCT USR-68 · Structure no. 1204114
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 292 ft
- 4 main spans
- Daily traffic
- 624
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Old Mill RD.TR-146 over Ir 70 is a steel continuous stringer/multi-beam or girder carrying Old Mill RD.TR-146 over Ir 70 in Clark County, Ohio. It was built in 1967, so it is 58 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 624 vehicles a day, roughly 4% of them trucks, projected to reach 866 by 2036. The structure is 292 ft (89 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Mill RD.TR-146 over Ir 70 built?
It was built in 1967, making it 58 years old in 2025.
What condition is Old Mill RD.TR-146 over Ir 70 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 Old Mill RD.TR-146 over Ir 70 carry?
About 624 vehicles per day (2016 count), of which roughly 4% are trucks.
How long is Old Mill RD.TR-146 over Ir 70?
The structure is 292 ft (89 m) long with a longest span of 84 ft (25.6 m) and a deck 30 ft wide.
Who owns Old Mill RD.TR-146 over Ir 70?
It is owned by the State Highway Agency.