30 MI RD over Salt River
FairMacomb County, Michigan · 0.41 MI W of Low Plank RD · Structure no. 000000000014545
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected August 2024
- Type
- Culvert
- Steel
- Length
- 26 ft
- 1 main span
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
30 MI RD over Salt River is a steel culvert carrying 30 MI RD over Salt River in Macomb County, Michigan. It was built in 1983, so it is 42 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 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 50 vehicles a day, projected to reach 100 by 2042. The structure is 26 ft (7.8 m) long.
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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 30 MI RD over Salt River built?
It was built in 1983, making it 42 years old in 2025.
What condition is 30 MI RD over Salt River 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 August 2024.
How much traffic does 30 MI RD over Salt River carry?
About 50 vehicles per day (2022 count).
How long is 30 MI RD over Salt River?
The structure is 26 ft (7.8 m) long with a longest span of 26 ft (7.8 m).
Who owns 30 MI RD over Salt River?
It is owned by the County Highway Agency.