Main ST Old US 61 over Silver Creek
GoodPosted for loadClinton County, Iowa · 000000000 · Structure no. 000000000020900
- Built
- 1926
- 99 years old, rebuilt 1960
- Condition
- Good
- inspected February 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 72 ft
- 1 main span
- Daily traffic
- 200
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Main ST Old US 61 over Silver Creek is a prestressed concrete slab carrying Main ST Old US 61 over Silver Creek in Clinton County, Iowa. It was built in 1926 and reconstructed in 1960, so it is 99 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for other load-capacity restriction.
It carries about 200 vehicles a day, projected to reach 200 by 2044. The structure is 72 ft (21.9 m) long and 34 ft wide. If it were closed, the detour would be 24.2 mi (39 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Main ST Old US 61 over Silver Creek built?
It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1960.
What condition is Main ST Old US 61 over Silver Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.
How much traffic does Main ST Old US 61 over Silver Creek carry?
About 200 vehicles per day (2022 count).
How long is Main ST Old US 61 over Silver Creek?
The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.3 m) and a deck 34 ft wide.
Who owns Main ST Old US 61 over Silver Creek?
It is owned by the County Highway Agency.