FM over Iais RR
GoodDallas County, Iowa · 078283603 · Structure no. 000000000022011
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected November 2021
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 187 ft
- 5 main spans
- Daily traffic
- 807
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Iais RR is a prestressed concrete tee beam carrying FM over Iais RR in Dallas County, Iowa. It was built in 1978, so it is 47 years old, older 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 807 vehicles a day, roughly 25% of them trucks, projected to reach 807 by 2043. The structure is 187 ft (57 m) long and 34 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Iais RR built?
It was built in 1978, making it 47 years old in 2025.
What condition is FM over Iais RR 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 FM over Iais RR carry?
About 807 vehicles per day (2022 count), of which roughly 25% are trucks.
How long is FM over Iais RR?
The structure is 187 ft (57 m) long with a longest span of 42 ft (12.8 m) and a deck 34 ft wide.
Who owns FM over Iais RR?
It is owned by the County Highway Agency.