Ia 25 over Mason Creek
GoodGuthrie County, Iowa · 1.0 Mi. S of Jct. Ia 44 · Structure no. 000000000026101
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 167 ft
- 3 main spans
- Daily traffic
- 1,750
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 25 over Mason Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 25 over Mason Creek in Guthrie County, Iowa. It was built in 2011, so it is 14 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,750 vehicles a day, roughly 21% of them trucks, projected to reach 1,750 by 2044. The structure is 167 ft (50.8 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 25 over Mason Creek built?
It was built in 2011, making it 14 years old in 2025.
What condition is Ia 25 over Mason Creek 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 October 2024.
How much traffic does Ia 25 over Mason Creek carry?
About 1,750 vehicles per day (2022 count), of which roughly 21% are trucks.
How long is Ia 25 over Mason Creek?
The structure is 167 ft (50.8 m) long with a longest span of 61 ft (18.5 m) and a deck 47 ft wide.
Who owns Ia 25 over Mason Creek?
It is owned by the State Highway Agency.