FM-310th Street over Keg Creek
GoodPottawattamie County, Iowa · 076410806 · Structure no. 000000000288320
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 178 ft
- 3 main spans
- Daily traffic
- 150
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM-310th Street over Keg Creek is a steel continuous stringer/multi-beam or girder carrying FM-310th Street over Keg Creek in Pottawattamie County, Iowa. It was built in 1973, so it is 52 years old, older 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 150 vehicles a day, projected to reach 150 by 2043. The structure is 178 ft (54.3 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| 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 FM-310th Street over Keg Creek built?
It was built in 1973, making it 52 years old in 2025.
What condition is FM-310th Street over Keg 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 June 2023.
How much traffic does FM-310th Street over Keg Creek carry?
About 150 vehicles per day (2022 count).
How long is FM-310th Street over Keg Creek?
The structure is 178 ft (54.3 m) long with a longest span of 68 ft (20.7 m) and a deck 32 ft wide.
Who owns FM-310th Street over Keg Creek?
It is owned by the County Highway Agency.