Pontaluna over US-31
FairMuskegon County, Michigan · 1.0 MI N of Ottawa Col · Structure no. 000000000007579
- Built
- 1958
- 67 years old
- Condition
- Fair
- inspected July 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 180 ft
- 4 main spans
- Daily traffic
- 10,850
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Pontaluna over US-31 is a concrete continuous tee beam carrying Pontaluna over US-31 in Muskegon County, Michigan. It was built in 1958, 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 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 10,850 vehicles a day, roughly 3% of them trucks, projected to reach 12,000 by 2036. The structure is 180 ft (54.9 m) long and 33 ft wide.
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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Pontaluna over US-31 built?
It was built in 1958, making it 67 years old in 2025.
What condition is Pontaluna over US-31 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 Pontaluna over US-31 carry?
About 10,850 vehicles per day (2016 count), of which roughly 3% are trucks.
How long is Pontaluna over US-31?
The structure is 180 ft (54.9 m) long with a longest span of 53 ft (16.3 m) and a deck 33 ft wide.
Who owns Pontaluna over US-31?
It is owned by the State Highway Agency.