FM over W Nishnabotna River
GoodShelby County, Iowa · 781039 · Structure no. 000000000304501
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 243 ft
- 3 main spans
- Daily traffic
- 409
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over W Nishnabotna River is a prestressed concrete stringer/multi-beam or girder carrying FM over W Nishnabotna River in Shelby 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 409 vehicles a day, roughly 18% of them trucks, projected to reach 409 by 2043. The structure is 243 ft (74.1 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over W Nishnabotna River built?
It was built in 2007, making it 18 years old in 2025.
What condition is FM over W 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 March 2023.
How much traffic does FM over W Nishnabotna River carry?
About 409 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is FM over W Nishnabotna River?
The structure is 243 ft (74.1 m) long with a longest span of 81 ft (24.7 m) and a deck 33 ft wide.
Who owns FM over W Nishnabotna River?
It is owned by the County Highway Agency.