Csah 18 over South Creek
PoorPosted for loadMartin County, Minnesota · 0.9 MI W of JCT CR 151 · Structure no. 46515
- Built
- 1971
- 54 years old
- Condition
- Poor
- inspected October 2024
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 81 ft
- 3 main spans
- Daily traffic
- 435
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 18 over South Creek is a prestressed concrete channel beam carrying Csah 18 over South Creek in Martin County, Minnesota. It was built in 1971, so it is 54 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 3 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 435 vehicles a day, projected to reach 480 by 2038. The structure is 81 ft (24.8 m) long and 38 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 18 over South Creek built?
It was built in 1971, making it 54 years old in 2025.
What condition is Csah 18 over South Creek 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 October 2024.
How much traffic does Csah 18 over South Creek carry?
About 435 vehicles per day (2018 count).
How long is Csah 18 over South Creek?
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 18 over South Creek?
It is owned by the County Highway Agency.