Ia 5 SB over Middle River
GoodWarren County, Iowa · 1.4 Mi. S of Jct. SR G-16 · Structure no. 000000000606920
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 376 ft
- 3 main spans
- Daily traffic
- 5,650
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 5 SB over Middle River is a steel continuous stringer/multi-beam or girder carrying Ia 5 SB over Middle River in Warren County, Iowa. It was built in 1997, so it is 28 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 5,650 vehicles a day, roughly 8% of them trucks, projected to reach 5,650 by 2044. The structure is 376 ft (114.6 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 5 SB over Middle River built?
It was built in 1997, making it 28 years old in 2025.
What condition is Ia 5 SB over Middle 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 March 2024.
How much traffic does Ia 5 SB over Middle River carry?
About 5,650 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is Ia 5 SB over Middle River?
The structure is 376 ft (114.6 m) long with a longest span of 144 ft (43.9 m) and a deck 43 ft wide.
Who owns Ia 5 SB over Middle River?
It is owned by the State Highway Agency.