NB I 35 over Clanton Creek
GoodWarren County, Iowa · 2.4 Mi. S of Jct. Ia #92 · Structure no. 000000000051301
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 480 ft
- 3 main spans
- Daily traffic
- 11,400
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
NB I 35 over Clanton Creek is a steel continuous stringer/multi-beam or girder carrying NB I 35 over Clanton Creek in Warren County, Iowa. It was built in 2007, so it is 18 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 11,400 vehicles a day, roughly 27% of them trucks, projected to reach 11,400 by 2044. The structure is 480 ft (146.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NB I 35 over Clanton Creek built?
It was built in 2007, making it 18 years old in 2025.
What condition is NB I 35 over Clanton 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 July 2024.
How much traffic does NB I 35 over Clanton Creek carry?
About 11,400 vehicles per day (2022 count), of which roughly 27% are trucks.
How long is NB I 35 over Clanton Creek?
The structure is 480 ft (146.3 m) long with a longest span of 230 ft (70.1 m) and a deck 42 ft wide.
Who owns NB I 35 over Clanton Creek?
It is owned by the State Highway Agency.