US-31 over Gtw RR & M-104
FairOttawa County, Michigan · In Ferrysburg · Structure no. 000000000008700
- Built
- 1959
- 66 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 260 ft
- 4 main spans
- Daily traffic
- 44,375
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US-31 over Gtw RR & M-104 is a steel stringer/multi-beam or girder carrying US-31 over Gtw RR & M-104 in Ottawa County, Michigan. It was built in 1959, so it is 66 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 44,375 vehicles a day, roughly 4% of them trucks, projected to reach 49,025 by 2041. The structure is 260 ft (79.2 m) long and 72 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-31 over Gtw RR & M-104 built?
It was built in 1959, making it 66 years old in 2025.
What condition is US-31 over Gtw RR & M-104 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 April 2024.
How much traffic does US-31 over Gtw RR & M-104 carry?
About 44,375 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is US-31 over Gtw RR & M-104?
The structure is 260 ft (79.2 m) long with a longest span of 69 ft (21 m) and a deck 72 ft wide.
Who owns US-31 over Gtw RR & M-104?
It is owned by the State Highway Agency.