I.R.670 over Alum Creek
GoodFranklin County, Ohio · 2.6 MI W of IR270 · Structure no. 2517876
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 338 ft
- 3 main spans
- Daily traffic
- 103,219
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
I.R.670 over Alum Creek is a steel continuous stringer/multi-beam or girder carrying I.R.670 over Alum Creek in Franklin County, Ohio. It was built in 1988, so it is 37 years old, younger 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 103,219 vehicles a day, roughly 6% of them trucks, projected to reach 143,268 by 2035. The structure is 338 ft (103.1 m) long and 134 ft wide. If it were closed, the detour would be 5 mi (8 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I.R.670 over Alum Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is I.R.670 over Alum Creek 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 November 2023.
How much traffic does I.R.670 over Alum Creek carry?
About 103,219 vehicles per day (2015 count), of which roughly 6% are trucks.
How long is I.R.670 over Alum Creek?
The structure is 338 ft (103.1 m) long with a longest span of 130 ft (39.6 m) and a deck 134 ft wide.
Who owns I.R.670 over Alum Creek?
It is owned by the State Highway Agency.