Michigan Avenue over Little Portage Creek
FairPosted for loadSt. Joseph County, Michigan · 2.5 MI NE of Mendon · Structure no. 000000000010300
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 32 ft
- 1 main span
- Daily traffic
- 596
- 2016 count
- Owner
- County
- County Highway Agency
About this bridge
Michigan Avenue over Little Portage Creek is a wood or timber stringer/multi-beam or girder carrying Michigan Avenue over Little Portage Creek in St. Joseph County, Michigan. It was built in 1968, so it is 57 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. Its operating status is: posted for load restriction.
It carries about 596 vehicles a day, roughly 18% of them trucks, projected to reach 633 by 2036. The structure is 32 ft (9.7 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Michigan Avenue over Little Portage Creek built?
It was built in 1968, making it 57 years old in 2025.
What condition is Michigan Avenue over Little Portage Creek 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 November 2023.
How much traffic does Michigan Avenue over Little Portage Creek carry?
About 596 vehicles per day (2016 count), of which roughly 18% are trucks.
How long is Michigan Avenue over Little Portage Creek?
The structure is 32 ft (9.7 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.
Who owns Michigan Avenue over Little Portage Creek?
It is owned by the County Highway Agency.