270th Street over Tarkio River
FairPage County, Iowa · 067380503 · Structure no. 000000000264600
- Built
- 1977
- 48 years old, rebuilt 2019
- Condition
- Fair
- inspected October 2022
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 276 ft
- 3 main spans
- Daily traffic
- 303
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
270th Street over Tarkio River is a steel continuous stringer/multi-beam or girder carrying 270th Street over Tarkio River in Page County, Iowa. It was built in 1977 and reconstructed in 2019, so it is 48 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 5 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 303 vehicles a day, roughly 24% of them trucks, projected to reach 303 by 2042. The structure is 276 ft (84.1 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 270th Street over Tarkio River built?
It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2019.
What condition is 270th Street over Tarkio River 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 October 2022.
How much traffic does 270th Street over Tarkio River carry?
About 303 vehicles per day (2022 count), of which roughly 24% are trucks.
How long is 270th Street over Tarkio River?
The structure is 276 ft (84.1 m) long with a longest span of 92 ft (28 m) and a deck 32 ft wide.
Who owns 270th Street over Tarkio River?
It is owned by the County Highway Agency.