135th St. over Deep CR
FairClinton County, Iowa · 083E51903 · Structure no. 000000000125521
- Built
- 1974
- 51 years old, rebuilt 1998
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 52 ft
- 1 main span
- Daily traffic
- 21
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
135th St. over Deep CR is a steel stringer/multi-beam or girder carrying 135th St. over Deep CR in Clinton County, Iowa. It was built in 1974 and reconstructed in 1998, so it is 51 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 21 vehicles a day, projected to reach 21 by 2044. The structure is 52 ft (15.9 m) long and 20 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 135th St. over Deep CR built?
It was built in 1974, making it 51 years old in 2025. It was reconstructed in 1998.
What condition is 135th St. over Deep CR in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.
How much traffic does 135th St. over Deep CR carry?
About 21 vehicles per day (2022 count).
How long is 135th St. over Deep CR?
The structure is 52 ft (15.9 m) long with a longest span of 51 ft (15.5 m) and a deck 20 ft wide.
Who owns 135th St. over Deep CR?
It is owned by the County Highway Agency.