Route 581 over Little River
PoorMenominee County, Michigan · 1.7 MI W of Menominee · Structure no. 000000000006826
- Built
- 1962
- 63 years old
- Condition
- Poor
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 56 ft
- 1 main span
- Daily traffic
- 1,283
- 1998 count
- Owner
- County
- County Highway Agency
About this bridge
Route 581 over Little River is a prestressed concrete box beam or girders - multiple carrying Route 581 over Little River in Menominee County, Michigan. It was built in 1962, so it is 63 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 1,283 vehicles a day, roughly 3% of them trucks, projected to reach 1,150 by 2019. The structure is 56 ft (17 m) long and 30 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Route 581 over Little River built?
It was built in 1962, making it 63 years old in 2025.
What condition is Route 581 over Little River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does Route 581 over Little River carry?
About 1,283 vehicles per day (1998 count), of which roughly 3% are trucks.
How long is Route 581 over Little River?
The structure is 56 ft (17 m) long with a longest span of 55 ft (16.7 m) and a deck 30 ft wide.
Who owns Route 581 over Little River?
It is owned by the County Highway Agency.