G-71 over Cedar Creek
FairMarion County, Iowa · 074181401 · Structure no. 000000000035261
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 404 ft
- 5 main spans
- Daily traffic
- 920
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
G-71 over Cedar Creek is a prestressed concrete stringer/multi-beam or girder carrying G-71 over Cedar Creek in Marion County, Iowa. It was built in 1990, so it is 35 years old, younger 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 6 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 920 vehicles a day, roughly 9% of them trucks, projected to reach 920 by 2043. The structure is 404 ft (123.1 m) long and 39 ft wide. If it were closed, the detour would be 13 mi (21 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 G-71 over Cedar Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is G-71 over Cedar 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 December 2023.
How much traffic does G-71 over Cedar Creek carry?
About 920 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is G-71 over Cedar Creek?
The structure is 404 ft (123.1 m) long with a longest span of 97 ft (29.6 m) and a deck 39 ft wide.
Who owns G-71 over Cedar Creek?
It is owned by the County Highway Agency.