Frost Street over Dowagiac River
PoorPosted for loadCass County, Michigan · 4 MI W of M-51 · Structure no. 000000000001454
- Built
- 1930
- 95 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 47 ft
- 1 main span
- Daily traffic
- 56
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Frost Street over Dowagiac River is a steel stringer/multi-beam or girder carrying Frost Street over Dowagiac River in Cass County, Michigan. It was built in 1930, so it is 95 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 3 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. Its operating status is: posted for load restriction.
It carries about 56 vehicles a day, projected to reach 70 by 2039. The structure is 47 ft (14.3 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Frost Street over Dowagiac River built?
It was built in 1930, making it 95 years old in 2025.
What condition is Frost Street over Dowagiac 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 October 2024.
How much traffic does Frost Street over Dowagiac River carry?
About 56 vehicles per day (2019 count).
How long is Frost Street over Dowagiac River?
The structure is 47 ft (14.3 m) long with a longest span of 47 ft (14.3 m) and a deck 23 ft wide.
Who owns Frost Street over Dowagiac River?
It is owned by the County Highway Agency.