County RD 573 over Little Dead River
FairMarquette County, Michigan · 6 Miles N of Ishpeming · Structure no. 000000000006548
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 39 ft
- 1 main span
- Daily traffic
- 693
- 2001 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 573 over Little Dead River is a prestressed concrete box beam or girders - multiple carrying County RD 573 over Little Dead River in Marquette 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 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 693 vehicles a day, projected to reach 707 by 2020. The structure is 39 ft (11.8 m) long and 34 ft wide. If it were closed, the detour would be 18 mi (29 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 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 County RD 573 over Little Dead River built?
It was built in 1983, making it 42 years old in 2025.
What condition is County RD 573 over Little Dead 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 October 2024.
How much traffic does County RD 573 over Little Dead River carry?
About 693 vehicles per day (2001 count).
How long is County RD 573 over Little Dead River?
The structure is 39 ft (11.8 m) long with a longest span of 36 ft (10.9 m) and a deck 34 ft wide.
Who owns County RD 573 over Little Dead River?
It is owned by the County Highway Agency.