Csah 4 over Elk River
PoorBenton County, Minnesota · 0.8 MI W of JCT Csah 3 · Structure no. 05515
- Built
- 1973
- 52 years old
- Condition
- Poor
- inspected November 2024
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 81 ft
- 3 main spans
- Daily traffic
- 1,550
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 4 over Elk River is a prestressed concrete channel beam carrying Csah 4 over Elk River in Benton County, Minnesota. It was built in 1973, so it is 52 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.
It carries about 1,550 vehicles a day, projected to reach 1,400 by 2039. The structure is 81 ft (24.8 m) long and 38 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 | 8 Very Good | No problems noted. |
| 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 4 over Elk River built?
It was built in 1973, making it 52 years old in 2025.
What condition is Csah 4 over Elk 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 November 2024.
How much traffic does Csah 4 over Elk River carry?
About 1,550 vehicles per day (2019 count).
How long is Csah 4 over Elk River?
The structure is 81 ft (24.8 m) long with a longest span of 31 ft (9.5 m) and a deck 38 ft wide.
Who owns Csah 4 over Elk River?
It is owned by the County Highway Agency.