U.S. 20 WB over Iowa River RR
GoodHardin County, Iowa · 0.4 Miles W of JCT SR S56 · Structure no. 000000000607915
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 218 ft
- 3 main spans
- Daily traffic
- 4,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. 20 WB over Iowa River RR is a prestressed concrete stringer/multi-beam or girder carrying U.S. 20 WB over Iowa River RR in Hardin County, Iowa. It was built in 2003, so it is 22 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 4,500 vehicles a day, roughly 30% of them trucks, projected to reach 4,500 by 2044. The structure is 218 ft (66.4 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 U.S. 20 WB over Iowa River RR built?
It was built in 2003, making it 22 years old in 2025.
What condition is U.S. 20 WB over Iowa River 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 2024.
How much traffic does U.S. 20 WB over Iowa River RR carry?
About 4,500 vehicles per day (2022 count), of which roughly 30% are trucks.
How long is U.S. 20 WB over Iowa River RR?
The structure is 218 ft (66.4 m) long with a longest span of 82 ft (25 m) and a deck 43 ft wide.
Who owns U.S. 20 WB over Iowa River RR?
It is owned by the State Highway Agency.