Williams ST over Four Mile Creek
PoorPolk County, Iowa · 079233302 · Structure no. 000000000004140
- Built
- 1978
- 47 years old
- Condition
- Poor
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 246 ft
- 3 main spans
- Daily traffic
- 3,908
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Williams ST over Four Mile Creek is a prestressed concrete stringer/multi-beam or girder carrying Williams ST over Four Mile Creek in Polk County, Iowa. It was built in 1978, so it is 47 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 3,908 vehicles a day, roughly 3% of them trucks, projected to reach 3,908 by 2043. The structure is 246 ft (75 m) long and 51 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Williams ST over Four Mile Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is Williams ST over Four Mile 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 July 2023.
How much traffic does Williams ST over Four Mile Creek carry?
About 3,908 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is Williams ST over Four Mile Creek?
The structure is 246 ft (75 m) long with a longest span of 82 ft (25 m) and a deck 51 ft wide.
Who owns Williams ST over Four Mile Creek?
It is owned by the City or Municipal Highway Agency.