270th ST over Drainage Ditch 2
PoorPosted for loadStory County, Iowa · 083213501 · Structure no. 000000000314491
- Built
- 1951
- 74 years old, rebuilt 1974
- Condition
- Poor
- inspected December 2022
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 48 ft
- 2 main spans
- Daily traffic
- 20
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
270th ST over Drainage Ditch 2 is a wood or timber stringer/multi-beam or girder carrying 270th ST over Drainage Ditch 2 in Story County, Iowa. It was built in 1951 and reconstructed in 1974, so it is 74 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 20 vehicles a day, projected to reach 20 by 2042. The structure is 48 ft (14.6 m) long and 24 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 ST over Drainage Ditch 2 built?
It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1974.
What condition is 270th ST over Drainage Ditch 2 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2022.
How much traffic does 270th ST over Drainage Ditch 2 carry?
About 20 vehicles per day (2022 count).
How long is 270th ST over Drainage Ditch 2?
The structure is 48 ft (14.6 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.
Who owns 270th ST over Drainage Ditch 2?
It is owned by the County Highway Agency.