G30 Mahogany RD over Nishnabotna River
GoodPottawattamie County, Iowa · 076391803 · Structure no. 000000000287611
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 320 ft
- 3 main spans
- Daily traffic
- 349
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
G30 Mahogany RD over Nishnabotna River is a steel continuous stringer/multi-beam or girder carrying G30 Mahogany RD over Nishnabotna River in Pottawattamie County, Iowa. It was built in 2020, so it is 5 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 349 vehicles a day, roughly 17% of them trucks, projected to reach 349 by 2043. The structure is 320 ft (97.5 m) long and 33 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was G30 Mahogany RD over Nishnabotna River built?
It was built in 2020, making it 5 years old in 2025.
What condition is G30 Mahogany RD over Nishnabotna River 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 April 2024.
How much traffic does G30 Mahogany RD over Nishnabotna River carry?
About 349 vehicles per day (2022 count), of which roughly 17% are trucks.
How long is G30 Mahogany RD over Nishnabotna River?
The structure is 320 ft (97.5 m) long with a longest span of 118 ft (36 m) and a deck 33 ft wide.
Who owns G30 Mahogany RD over Nishnabotna River?
It is owned by the County Highway Agency.