Ia 28 over Drainage Ditch
GoodWarren County, Iowa · 0.5 Mile N of Jct. Ia 92 · Structure no. 000000000051041
- Built
- 1927
- 98 years old, rebuilt 1983
- Condition
- Good
- inspected March 2023
- Type
- Slab
- Concrete
- Length
- 34 ft
- 1 main span
- Daily traffic
- 2,420
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 28 over Drainage Ditch is a concrete slab carrying Ia 28 over Drainage Ditch in Warren County, Iowa. It was built in 1927 and reconstructed in 1983, so it is 98 years old, older 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 2,420 vehicles a day, roughly 9% of them trucks, projected to reach 2,420 by 2042. The structure is 34 ft (10.4 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 28 over Drainage Ditch built?
It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1983.
What condition is Ia 28 over Drainage Ditch 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 Ia 28 over Drainage Ditch carry?
About 2,420 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is Ia 28 over Drainage Ditch?
The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 43 ft wide.
Who owns Ia 28 over Drainage Ditch?
It is owned by the State Highway Agency.