US 18 WB over I&m RR
GoodFloyd County, Iowa · 0.4 Mi. E of Jct. SR B35 · Structure no. 000000000607405
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 219 ft
- 3 main spans
- Daily traffic
- 4,550
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 18 WB over I&m RR is a prestressed concrete stringer/multi-beam or girder carrying US 18 WB over I&m RR in Floyd County, Iowa. It was built in 1998, so it is 27 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 4,550 vehicles a day, roughly 43% of them trucks, projected to reach 4,550 by 2043. The structure is 219 ft (66.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 18 WB over I&m RR built?
It was built in 1998, making it 27 years old in 2025.
What condition is US 18 WB over I&m 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 September 2023.
How much traffic does US 18 WB over I&m RR carry?
About 4,550 vehicles per day (2022 count), of which roughly 43% are trucks.
How long is US 18 WB over I&m RR?
The structure is 219 ft (66.8 m) long with a longest span of 75 ft (22.9 m) and a deck 43 ft wide.
Who owns US 18 WB over I&m RR?
It is owned by the State Highway Agency.