N46 Chestnut RD over Brushy Creek
GoodGuthrie County, Iowa · 081332102 · Structure no. 000000000170476
- Built
- 2014
- 11 years old
- Condition
- Good
- inspected November 2021
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 192 ft
- 3 main spans
- Daily traffic
- 399
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N46 Chestnut RD over Brushy Creek is a prestressed concrete stringer/multi-beam or girder carrying N46 Chestnut RD over Brushy Creek in Guthrie County, Iowa. It was built in 2014, so it is 11 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 399 vehicles a day, roughly 25% of them trucks, projected to reach 399 by 2041. The structure is 192 ft (58.5 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N46 Chestnut RD over Brushy Creek built?
It was built in 2014, making it 11 years old in 2025.
What condition is N46 Chestnut RD over Brushy 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 November 2021.
How much traffic does N46 Chestnut RD over Brushy Creek carry?
About 399 vehicles per day (2022 count), of which roughly 25% are trucks.
How long is N46 Chestnut RD over Brushy Creek?
The structure is 192 ft (58.5 m) long with a longest span of 69 ft (21 m) and a deck 33 ft wide.
Who owns N46 Chestnut RD over Brushy Creek?
It is owned by the County Highway Agency.