135th St. over Spring Creek
GoodClinton County, Iowa · 083E62105 · Structure no. 000000000125781
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected January 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 47
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
135th St. over Spring Creek is a prestressed concrete tee beam carrying 135th St. over Spring Creek in Clinton County, Iowa. It was built in 1990, so it is 35 years old, younger 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.
It carries about 47 vehicles a day, projected to reach 47 by 2044. The structure is 40 ft (12.2 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 135th St. over Spring Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is 135th St. over Spring 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 January 2024.
How much traffic does 135th St. over Spring Creek carry?
About 47 vehicles per day (2022 count).
How long is 135th St. over Spring Creek?
The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 25 ft wide.
Who owns 135th St. over Spring Creek?
It is owned by the County Highway Agency.