Sigler RD over Swan Creek
PoorPosted for loadMonroe County, Michigan · 1.75 MI W of I 75 · Structure no. 000000000007293
- Built
- 1972
- 53 years old
- Condition
- Poor
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 850
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Sigler RD over Swan Creek is a prestressed concrete box beam or girders - multiple carrying Sigler RD over Swan Creek in Monroe County, Michigan. It was built in 1972, so it is 53 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 850 vehicles a day, roughly 2% of them trucks, projected to reach 978 by 2037. The structure is 120 ft (36.5 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 Sigler RD over Swan Creek built?
It was built in 1972, making it 53 years old in 2025.
What condition is Sigler RD over Swan Creek 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 Sigler RD over Swan Creek carry?
About 850 vehicles per day (2017 count), of which roughly 2% are trucks.
How long is Sigler RD over Swan Creek?
The structure is 120 ft (36.5 m) long with a longest span of 39 ft (11.8 m) and a deck 31 ft wide.
Who owns Sigler RD over Swan Creek?
It is owned by the County Highway Agency.