FM over Des Moines River
GoodMarion County, Iowa · 076183309 · Structure no. 000000000240476
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 671 ft
- 5 main spans
- Daily traffic
- 3,270
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Des Moines River is a prestressed concrete stringer/multi-beam or girder carrying FM over Des Moines River in Marion County, Iowa. It was built in 2002, so it is 23 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 3,270 vehicles a day, roughly 12% of them trucks, projected to reach 3,270 by 2043. The structure is 671 ft (204.5 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Des Moines River built?
It was built in 2002, making it 23 years old in 2025.
What condition is FM over Des Moines 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 December 2023.
How much traffic does FM over Des Moines River carry?
About 3,270 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is FM over Des Moines River?
The structure is 671 ft (204.5 m) long with a longest span of 137 ft (41.8 m) and a deck 32 ft wide.
Who owns FM over Des Moines River?
It is owned by the County Highway Agency.