FM over Williams Creek
PoorWashington County, Iowa · 074073404 · Structure no. 000000000335850
- Built
- 1936
- 89 years old
- Condition
- Poor
- inspected February 2023
- Type
- Arch - Deck
- Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 1,650
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Williams Creek is a concrete arch - deck carrying FM over Williams Creek in Washington County, Iowa. It was built in 1936, so it is 89 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 1,650 vehicles a day, projected to reach 1,650 by 2043. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 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 |
|---|---|---|
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 FM over Williams Creek built?
It was built in 1936, making it 89 years old in 2025.
What condition is FM over Williams 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 February 2023.
How much traffic does FM over Williams Creek carry?
About 1,650 vehicles per day (2022 count).
How long is FM over Williams Creek?
The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.
Who owns FM over Williams Creek?
It is owned by the County Highway Agency.