Washington ST over Ralston Creek
PoorJohnson County, Iowa · 079061000 · Structure no. 000000000500810
- Built
- 1910
- 115 years old, rebuilt 1980
- Condition
- Poor
- inspected June 2023
- Type
- Slab
- Concrete
- Length
- 34 ft
- 1 main span
- Daily traffic
- 2,487
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Washington ST over Ralston Creek is a concrete slab carrying Washington ST over Ralston Creek in Johnson County, Iowa. It was built in 1910 and reconstructed in 1980, so it is 115 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 2,487 vehicles a day, projected to reach 2,487 by 2043. The structure is 34 ft (10.4 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Washington ST over Ralston Creek built?
It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1980.
What condition is Washington ST over Ralston Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.
How much traffic does Washington ST over Ralston Creek carry?
About 2,487 vehicles per day (2022 count).
How long is Washington ST over Ralston Creek?
The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.4 m) and a deck 78 ft wide.
Who owns Washington ST over Ralston Creek?
It is owned by the City or Municipal Highway Agency.