CR 145 over Rat Root River
PoorPosted for loadKoochiching County, Minnesota · 0.9 MI W of JCT TH 53 · Structure no. 36503
- Built
- 1963
- 62 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 94 ft
- 3 main spans
- Daily traffic
- 44
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
CR 145 over Rat Root River is a wood or timber stringer/multi-beam or girder carrying CR 145 over Rat Root River in Koochiching County, Minnesota. It was built in 1963, so it is 62 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 44 vehicles a day, projected to reach 55 by 2041. The structure is 94 ft (28.7 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CR 145 over Rat Root River built?
It was built in 1963, making it 62 years old in 2025.
What condition is CR 145 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 CR 145 over Rat Root River carry?
About 44 vehicles per day (2021 count).
How long is CR 145 over Rat Root River?
The structure is 94 ft (28.7 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.
Who owns CR 145 over Rat Root River?
It is owned by the County Highway Agency.