Cone RD over US-23
FairMonroe County, Michigan · 5.2 MI N of M-50 · Structure no. 000000000007084
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 243 ft
- 4 main spans
- Daily traffic
- 2,250
- 2000 count
- Owner
- State
- State Highway Agency
About this bridge
Cone RD over US-23 is a steel stringer/multi-beam or girder carrying Cone RD over US-23 in Monroe County, Michigan. It was built in 1961, so it is 64 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,250 vehicles a day, roughly 6% of them trucks, projected to reach 2,700 by 2020. The structure is 243 ft (74 m) long and 33 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cone RD over US-23 built?
It was built in 1961, making it 64 years old in 2025.
What condition is Cone RD over US-23 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.
How much traffic does Cone RD over US-23 carry?
About 2,250 vehicles per day (2000 count), of which roughly 6% are trucks.
How long is Cone RD over US-23?
The structure is 243 ft (74 m) long with a longest span of 82 ft (25 m) and a deck 33 ft wide.
Who owns Cone RD over US-23?
It is owned by the State Highway Agency.