Ia 117 over Red Rock Creek
GoodJasper County, Iowa · 1.7 Miles North of SR S6G · Structure no. 000000000030721
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected December 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 98 ft
- 1 main span
- Daily traffic
- 1,660
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 117 over Red Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 117 over Red Rock Creek in Jasper County, Iowa. It was built in 1987, so it is 38 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,660 vehicles a day, roughly 10% of them trucks, projected to reach 1,660 by 2042. The structure is 98 ft (29.9 m) long and 43 ft wide. If it were closed, the detour would be 13 mi (21 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 | 7 Good | Some minor problems. |
| 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 117 over Red Rock Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is Ia 117 over Red Rock 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 December 2022.
How much traffic does Ia 117 over Red Rock Creek carry?
About 1,660 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is Ia 117 over Red Rock Creek?
The structure is 98 ft (29.9 m) long with a longest span of 95 ft (29 m) and a deck 43 ft wide.
Who owns Ia 117 over Red Rock Creek?
It is owned by the State Highway Agency.