I-196 & US-31SB over Old Allegan RD
FairAllegan County, Michigan · 0.3 MI E Ofsaugatuck · Structure no. 000000000000120
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 116 ft
- 3 main spans
- Daily traffic
- 12,125
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
I-196 & US-31SB over Old Allegan RD is a prestressed concrete stringer/multi-beam or girder carrying I-196 & US-31SB over Old Allegan RD 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 12,125 vehicles a day, roughly 11% of them trucks, projected to reach 13,400 by 2036. The structure is 116 ft (35.4 m) long and 43 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 | 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-196 & US-31SB over Old Allegan RD built?
It was built in 1964, making it 61 years old in 2025.
What condition is I-196 & US-31SB over Old Allegan RD 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 May 2023.
How much traffic does I-196 & US-31SB over Old Allegan RD carry?
About 12,125 vehicles per day (2016 count), of which roughly 11% are trucks.
How long is I-196 & US-31SB over Old Allegan RD?
The structure is 116 ft (35.4 m) long with a longest span of 42 ft (12.8 m) and a deck 43 ft wide.
Who owns I-196 & US-31SB over Old Allegan RD?
It is owned by the State Highway Agency.