US-31 SB over CSX RR & Unnamed Creek
FairOttawa County, Michigan · 0.5 MI N of M-21 · Structure no. 000000000008695
- Built
- 1958
- 67 years old, rebuilt 1984
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 212 ft
- 5 main spans
- Daily traffic
- 21,772
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
US-31 SB over CSX RR & Unnamed Creek is a steel stringer/multi-beam or girder carrying US-31 SB over CSX RR & Unnamed Creek in Ottawa County, Michigan. It was built in 1958 and reconstructed in 1984, 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 21,772 vehicles a day, roughly 5% of them trucks, projected to reach 25,038 by 2034. The structure is 212 ft (64.7 m) long and 67 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 | 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 | 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-31 SB over CSX RR & Unnamed Creek built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1984.
What condition is US-31 SB over CSX RR & Unnamed Creek 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 September 2023.
How much traffic does US-31 SB over CSX RR & Unnamed Creek carry?
About 21,772 vehicles per day (2014 count), of which roughly 5% are trucks.
How long is US-31 SB over CSX RR & Unnamed Creek?
The structure is 212 ft (64.7 m) long with a longest span of 51 ft (15.5 m) and a deck 67 ft wide.
Who owns US-31 SB over CSX RR & Unnamed Creek?
It is owned by the State Highway Agency.