US 218 over Trib to Shell Rock River
GoodBremer County, Iowa · 2.0 Mi. S Jct. Iowa #3 · Structure no. 000000000601775
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected March 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 9,700
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 218 over Trib to Shell Rock River is a concrete continuous culvert carrying US 218 over Trib to Shell Rock River in Bremer County, Iowa. It was built in 1996, so it is 29 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 9,700 vehicles a day, roughly 22% of them trucks, projected to reach 9,700 by 2042. The structure is 25 ft (7.6 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 218 over Trib to Shell Rock River built?
It was built in 1996, making it 29 years old in 2025.
What condition is US 218 over Trib to Shell Rock 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 2023.
How much traffic does US 218 over Trib to Shell Rock River carry?
About 9,700 vehicles per day (2022 count), of which roughly 22% are trucks.
How long is US 218 over Trib to Shell Rock River?
The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).
Who owns US 218 over Trib to Shell Rock River?
It is owned by the State Highway Agency.