US-41 SB over Carp River
FairMarquette County, Michigan · 1.3 MI W of M-35 · Structure no. 000000000006502
- Built
- 1958
- 67 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 109 ft
- 3 main spans
- Daily traffic
- 8,662
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
US-41 SB over Carp River is a steel stringer/multi-beam or girder carrying US-41 SB over Carp River in Marquette County, Michigan. It was built in 1958, so it is 67 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 8,662 vehicles a day, roughly 4% of them trucks, projected to reach 10,678 by 2018. The structure is 109 ft (33.2 m) long and 43 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-41 SB over Carp River built?
It was built in 1958, making it 67 years old in 2025.
What condition is US-41 SB over Carp 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 June 2023.
How much traffic does US-41 SB over Carp River carry?
About 8,662 vehicles per day (2007 count), of which roughly 4% are trucks.
How long is US-41 SB over Carp River?
The structure is 109 ft (33.2 m) long with a longest span of 39 ft (11.9 m) and a deck 43 ft wide.
Who owns US-41 SB over Carp River?
It is owned by the State Highway Agency.