Marlette Road over S Br Cass River I/C Drn
PoorPosted for loadSanilac County, Michigan · Sec 36 Marlette Twp · Structure no. 000000000009526
- Built
- 1930
- 95 years old, rebuilt 1950
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 51 ft
- 1 main span
- Daily traffic
- 2,754
- 2016 count
- Owner
- County
- County Highway Agency
About this bridge
Marlette Road over S Br Cass River I/C Drn is a steel stringer/multi-beam or girder carrying Marlette Road over S Br Cass River I/C Drn in Sanilac County, Michigan. It was built in 1930 and reconstructed in 1950, 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 2,754 vehicles a day, roughly 10% of them trucks, projected to reach 4,974 by 2036. The structure is 51 ft (15.5 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 | 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Marlette Road over S Br Cass River I/C Drn built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1950.
What condition is Marlette Road over S Br Cass River I/C Drn 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 July 2024.
How much traffic does Marlette Road over S Br Cass River I/C Drn carry?
About 2,754 vehicles per day (2016 count), of which roughly 10% are trucks.
How long is Marlette Road over S Br Cass River I/C Drn?
The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.1 m) and a deck 30 ft wide.
Who owns Marlette Road over S Br Cass River I/C Drn?
It is owned by the County Highway Agency.