Miller RD over I-69
FairSt. Clair County, Michigan · 5 MI SE of Capac · Structure no. 000000000009949
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 269 ft
- 2 main spans
- Daily traffic
- 80
- 1987 count
- Owner
- State
- State Highway Agency
About this bridge
Miller RD over I-69 is a steel continuous stringer/multi-beam or girder carrying Miller RD over I-69 in St. Clair County, Michigan. It was built in 1982, so it is 43 years old, younger 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 6 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 80 vehicles a day, roughly 2% of them trucks, projected to reach 92 by 2007. The structure is 269 ft (82 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Miller RD over I-69 built?
It was built in 1982, making it 43 years old in 2025.
What condition is Miller RD over I-69 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 November 2023.
How much traffic does Miller RD over I-69 carry?
About 80 vehicles per day (1987 count), of which roughly 2% are trucks.
How long is Miller RD over I-69?
The structure is 269 ft (82 m) long with a longest span of 135 ft (41.1 m) and a deck 40 ft wide.
Who owns Miller RD over I-69?
It is owned by the State Highway Agency.