NE 78th Ave over Four Mile Creek
FairPolk County, Iowa · 080233205 · Structure no. 000000000281890
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 168 ft
- 3 main spans
- Daily traffic
- 5,776
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
NE 78th Ave over Four Mile Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying NE 78th Ave over Four Mile Creek in Polk County, Iowa. It was built in 1966, so it is 59 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 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 5,776 vehicles a day, roughly 7% of them trucks, projected to reach 5,776 by 2043. The structure is 168 ft (51.2 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 NE 78th Ave over Four Mile Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is NE 78th Ave over Four Mile 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 March 2023.
How much traffic does NE 78th Ave over Four Mile Creek carry?
About 5,776 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is NE 78th Ave over Four Mile Creek?
The structure is 168 ft (51.2 m) long with a longest span of 56 ft (17.1 m) and a deck 30 ft wide.
Who owns NE 78th Ave over Four Mile Creek?
It is owned by the County Highway Agency.