WB Ia 141 over Frog Creek
FairDallas County, Iowa · 0.1 Miles W of JCT Ia 144 · Structure no. 000000000607155
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected July 2023
- Type
- Slab
- Concrete Continuous
- Length
- 111 ft
- 3 main spans
- Daily traffic
- 2,210
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
WB Ia 141 over Frog Creek is a concrete continuous slab carrying WB Ia 141 over Frog Creek in Dallas County, Iowa. It was built in 1976, so it is 49 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,210 vehicles a day, roughly 12% of them trucks, projected to reach 2,210 by 2043. The structure is 111 ft (33.8 m) long and 44 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was WB Ia 141 over Frog Creek built?
It was built in 1976, making it 49 years old in 2025.
What condition is WB Ia 141 over Frog Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.
How much traffic does WB Ia 141 over Frog Creek carry?
About 2,210 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is WB Ia 141 over Frog Creek?
The structure is 111 ft (33.8 m) long with a longest span of 40 ft (12.2 m) and a deck 44 ft wide.
Who owns WB Ia 141 over Frog Creek?
It is owned by the State Highway Agency.