US-31 NB over Pigeon River
FairOttawa County, Michigan · 4.4 MI SE of M-45 · Structure no. 000000000008691
- Built
- 1949
- 76 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 55 ft
- 1 main span
- Daily traffic
- 11,630
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
US-31 NB over Pigeon River is a steel stringer/multi-beam or girder carrying US-31 NB over Pigeon River in Ottawa County, Michigan. It was built in 1949, so it is 76 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 11,630 vehicles a day, roughly 10% of them trucks, projected to reach 13,894 by 2018. The structure is 55 ft (16.7 m) long and 48 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-31 NB over Pigeon River built?
It was built in 1949, making it 76 years old in 2025.
What condition is US-31 NB over Pigeon River 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 NB over Pigeon River carry?
About 11,630 vehicles per day (2007 count), of which roughly 10% are trucks.
How long is US-31 NB over Pigeon River?
The structure is 55 ft (16.7 m) long with a longest span of 55 ft (16.7 m) and a deck 48 ft wide.
Who owns US-31 NB over Pigeon River?
It is owned by the State Highway Agency.