M Luther King over I-235
GoodPolk County, Iowa · 3.2 Miles E of JCT Ia 28 · Structure no. 000000000608565
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 275 ft
- 2 main spans
- Daily traffic
- 10,548
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
M Luther King over I-235 is a steel continuous stringer/multi-beam or girder carrying M Luther King over I-235 in Polk 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 10,548 vehicles a day, roughly 3% of them trucks, projected to reach 10,548 by 2044. The structure is 275 ft (83.8 m) long and 61 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M Luther King over I-235 built?
It was built in 2003, making it 22 years old in 2025.
What condition is M Luther King over I-235 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 May 2024.
How much traffic does M Luther King over I-235 carry?
About 10,548 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is M Luther King over I-235?
The structure is 275 ft (83.8 m) long with a longest span of 146 ft (44.5 m) and a deck 61 ft wide.
Who owns M Luther King over I-235?
It is owned by the State Highway Agency.