SR 51 Monroe St. over Ir 75
GoodLucas County, Ohio · Monroe ST SR-51 over I-75 · Structure no. 4805372
- Built
- 1967
- 58 years old, rebuilt 2017
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 186 ft
- 2 main spans
- Daily traffic
- 14,884
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
SR 51 Monroe St. over Ir 75 is a steel continuous stringer/multi-beam or girder carrying SR 51 Monroe St. over Ir 75 in Lucas County, Ohio. It was built in 1967 and reconstructed in 2017, 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 14,884 vehicles a day, roughly 2% of them trucks, projected to reach 20,659 by 2035. The structure is 186 ft (56.7 m) long and 80 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 | 8 Very Good | No problems noted. |
| 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 SR 51 Monroe St. over Ir 75 built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2017.
What condition is SR 51 Monroe St. over Ir 75 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 October 2024.
How much traffic does SR 51 Monroe St. over Ir 75 carry?
About 14,884 vehicles per day (2015 count), of which roughly 2% are trucks.
How long is SR 51 Monroe St. over Ir 75?
The structure is 186 ft (56.7 m) long with a longest span of 90 ft (27.4 m) and a deck 80 ft wide.
Who owns SR 51 Monroe St. over Ir 75?
It is owned by the State Highway Agency.