US-41|M-28 over Carp River
FairMarquette County, Michigan · In Marquette · Structure no. 000000000006503
- Built
- 1936
- 89 years old, rebuilt 1973
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 91 ft
- 1 main span
- Daily traffic
- 23,600
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
US-41|M-28 over Carp River is a steel stringer/multi-beam or girder carrying US-41|M-28 over Carp River in Marquette County, Michigan. It was built in 1936 and reconstructed in 1973, so it is 89 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 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 23,600 vehicles a day, roughly 2% of them trucks, projected to reach 27,400 by 2035. The structure is 91 ft (27.7 m) long and 76 ft wide. If it were closed, the detour would be 13 mi (21 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-41|M-28 over Carp River built?
It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1973.
What condition is US-41|M-28 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 July 2024.
How much traffic does US-41|M-28 over Carp River carry?
About 23,600 vehicles per day (2015 count), of which roughly 2% are trucks.
How long is US-41|M-28 over Carp River?
The structure is 91 ft (27.7 m) long with a longest span of 89 ft (27 m) and a deck 76 ft wide.
Who owns US-41|M-28 over Carp River?
It is owned by the State Highway Agency.