Ir 475 over Ottawa River
GoodLucas County, Ohio · 0.30 MI W - US23 & Ir 475 · Structure no. 4808649
- Built
- 1970
- 55 years old, rebuilt 2013
- Condition
- Good
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 342 ft
- 5 main spans
- Daily traffic
- 47,730
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
Ir 475 over Ottawa River is a steel continuous stringer/multi-beam or girder carrying Ir 475 over Ottawa River in Lucas County, Ohio. It was built in 1970 and reconstructed in 2013, so it is 55 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 47,730 vehicles a day, roughly 12% of them trucks, projected to reach 66,249 by 2030. The structure is 342 ft (104.2 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ir 475 over Ottawa River built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2013.
What condition is Ir 475 over Ottawa River 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 2024.
How much traffic does Ir 475 over Ottawa River carry?
About 47,730 vehicles per day (2010 count), of which roughly 12% are trucks.
How long is Ir 475 over Ottawa River?
The structure is 342 ft (104.2 m) long with a longest span of 74 ft (22.6 m) and a deck 82 ft wide.
Who owns Ir 475 over Ottawa River?
It is owned by the State Highway Agency.