M-94|CO RD 460 over Canadian National RR
PoorMarquette County, Michigan · 0.4 MI East of 553 · Structure no. 000000000006541
- Built
- 1976
- 49 years old, rebuilt 1997
- Condition
- Poor
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 136 ft
- 3 main spans
- Daily traffic
- 2,726
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
M-94|CO RD 460 over Canadian National RR is a prestressed concrete box beam or girders - multiple carrying M-94|CO RD 460 over Canadian National RR in Marquette County, Michigan. It was built in 1976 and reconstructed in 1997, so it is 49 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 2,726 vehicles a day, roughly 5% of them trucks, projected to reach 2,475 by 2018. The structure is 136 ft (41.5 m) long and 46 ft wide. If it were closed, the detour would be 14.3 mi (23 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M-94|CO RD 460 over Canadian National RR built?
It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1997.
What condition is M-94|CO RD 460 over Canadian National RR in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does M-94|CO RD 460 over Canadian National RR carry?
About 2,726 vehicles per day (2007 count), of which roughly 5% are trucks.
How long is M-94|CO RD 460 over Canadian National RR?
The structure is 136 ft (41.5 m) long with a longest span of 47 ft (14.4 m) and a deck 46 ft wide.
Who owns M-94|CO RD 460 over Canadian National RR?
It is owned by the State Highway Agency.