Csah 21 over S Br Two Rivers
PoorPosted for loadMorrison County, Minnesota · 0.2 MI W of JCT Csah 24 · Structure no. 49513
- Built
- 1970
- 55 years old
- Condition
- Poor
- inspected November 2024
- Type
- Slab
- Wood or Timber
- Length
- 105 ft
- 4 main spans
- Daily traffic
- 1,050
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 21 over S Br Two Rivers is a wood or timber slab carrying Csah 21 over S Br Two Rivers in Morrison County, Minnesota. It was built in 1970, so it is 55 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 1,050 vehicles a day, roughly 4% of them trucks, projected to reach 1,050 by 2040. The structure is 105 ft (31.9 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 21 over S Br Two Rivers built?
It was built in 1970, making it 55 years old in 2025.
What condition is Csah 21 over S Br Two Rivers 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 November 2024.
How much traffic does Csah 21 over S Br Two Rivers carry?
About 1,050 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is Csah 21 over S Br Two Rivers?
The structure is 105 ft (31.9 m) long with a longest span of 26 ft (7.9 m) and a deck 35 ft wide.
Who owns Csah 21 over S Br Two Rivers?
It is owned by the County Highway Agency.