Csah 98 over Rat Root River
PoorKoochiching County, Minnesota · 0.2 MI N of JCT TH 53 · Structure no. 36504
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected September 2024
- Type
- Slab
- Wood or Timber
- Length
- 130 ft
- 5 main spans
- Daily traffic
- 110
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 98 over Rat Root River is a wood or timber slab carrying Csah 98 over Rat Root River in Koochiching County, Minnesota. It was built in 1967, so it is 58 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 110 vehicles a day, projected to reach 90 by 2041. The structure is 130 ft (39.6 m) long and 25 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 | 4 Poor | Advanced section loss, deterioration, 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Csah 98 over Rat Root River built?
It was built in 1967, making it 58 years old in 2025.
What condition is Csah 98 over Rat Root 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 98 over Rat Root River carry?
About 110 vehicles per day (2021 count).
How long is Csah 98 over Rat Root River?
The structure is 130 ft (39.6 m) long with a longest span of 26 ft (7.9 m) and a deck 25 ft wide.
Who owns Csah 98 over Rat Root River?
It is owned by the County Highway Agency.