US-31 SB over MI Shore RR & Laketon Av
FairMuskegon County, Michigan · 1.0 MI S of M-46 · Structure no. 000000000007571
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 226 ft
- 4 main spans
- Daily traffic
- 28,281
- 2011 count
- Owner
- State
- State Highway Agency
About this bridge
US-31 SB over MI Shore RR & Laketon Av is a steel stringer/multi-beam or girder carrying US-31 SB over MI Shore RR & Laketon Av in Muskegon County, Michigan. It was built in 1960, so it is 65 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 28,281 vehicles a day, roughly 5% of them trucks, projected to reach 31,560 by 2031. The structure is 226 ft (68.9 m) long and 47 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-31 SB over MI Shore RR & Laketon Av built?
It was built in 1960, making it 65 years old in 2025.
What condition is US-31 SB over MI Shore RR & Laketon Av 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 2023.
How much traffic does US-31 SB over MI Shore RR & Laketon Av carry?
About 28,281 vehicles per day (2011 count), of which roughly 5% are trucks.
How long is US-31 SB over MI Shore RR & Laketon Av?
The structure is 226 ft (68.9 m) long with a longest span of 74 ft (22.5 m) and a deck 47 ft wide.
Who owns US-31 SB over MI Shore RR & Laketon Av?
It is owned by the State Highway Agency.