Csah 70 over Swan River
PoorPosted for loadItasca County, Minnesota · 0.9 MI E of JCT Csah 10 · Structure no. 7109
- Built
- 1953
- 72 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 52 ft
- 2 main spans
- Daily traffic
- 377
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 70 over Swan River is a wood or timber stringer/multi-beam or girder carrying Csah 70 over Swan River in Itasca County, Minnesota. It was built in 1953, so it is 72 years old, older than the Minnesota average of 38.5 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 377 vehicles a day, projected to reach 670 by 2042. The structure is 52 ft (16 m) long and 26 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 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Csah 70 over Swan River built?
It was built in 1953, making it 72 years old in 2025.
What condition is Csah 70 over Swan River 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 September 2024.
How much traffic does Csah 70 over Swan River carry?
About 377 vehicles per day (2022 count).
How long is Csah 70 over Swan River?
The structure is 52 ft (16 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.
Who owns Csah 70 over Swan River?
It is owned by the County Highway Agency.