R45 over S River
GoodWarren County, Iowa · 074251004 · Structure no. 000000000333371
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected October 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 217 ft
- 3 main spans
- Daily traffic
- 747
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
R45 over S River is a prestressed concrete stringer/multi-beam or girder carrying R45 over S River in Warren County, Iowa. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 747 vehicles a day, roughly 19% of them trucks, projected to reach 747 by 2043. The structure is 217 ft (66.1 m) long and 33 ft wide. If it were closed, the detour would be 24.9 mi (40 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was R45 over S River built?
It was built in 2018, making it 7 years old in 2025.
What condition is R45 over S 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 October 2022.
How much traffic does R45 over S River carry?
About 747 vehicles per day (2022 count), of which roughly 19% are trucks.
How long is R45 over S River?
The structure is 217 ft (66.1 m) long with a longest span of 77 ft (23.5 m) and a deck 33 ft wide.
Who owns R45 over S River?
It is owned by the County Highway Agency.