Old US-31 over I-196 & US-31
FairAllegan County, Michigan · 2.0 MI NE of Saugatuck · Structure no. 000000000000121
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 277 ft
- 4 main spans
- Daily traffic
- 9,016
- 1996 count
- Owner
- State
- State Highway Agency
About this bridge
Old US-31 over I-196 & US-31 is a steel stringer/multi-beam or girder carrying Old US-31 over I-196 & US-31 in Allegan County, Michigan. It was built in 1964, so it is 61 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 9,016 vehicles a day, roughly 3% of them trucks, projected to reach 4,550 by 2007. The structure is 277 ft (84.4 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old US-31 over I-196 & US-31 built?
It was built in 1964, making it 61 years old in 2025.
What condition is Old US-31 over I-196 & 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 December 2023.
How much traffic does Old US-31 over I-196 & US-31 carry?
About 9,016 vehicles per day (1996 count), of which roughly 3% are trucks.
How long is Old US-31 over I-196 & US-31?
The structure is 277 ft (84.4 m) long with a longest span of 94 ft (28.7 m) and a deck 37 ft wide.
Who owns Old US-31 over I-196 & US-31?
It is owned by the State Highway Agency.