NW 50th ST over Thompson Rvr
FairGrundy County, Missouri · S 22 T 62 N R 25 W · Structure no. 17741
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 323 ft
- 5 main spans
- Daily traffic
- 50
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
NW 50th ST over Thompson Rvr is a prestressed concrete continuous stringer/multi-beam or girder carrying NW 50th ST over Thompson Rvr in Grundy County, Missouri. It was built in 1991, so it is 34 years old, younger than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 58 by 2044. The structure is 323 ft (98.5 m) long and 27 ft wide. If it were closed, the detour would be 13 mi (21 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 NW 50th ST over Thompson Rvr built?
It was built in 1991, making it 34 years old in 2025.
What condition is NW 50th ST over Thompson Rvr in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.
How much traffic does NW 50th ST over Thompson Rvr carry?
About 50 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is NW 50th ST over Thompson Rvr?
The structure is 323 ft (98.5 m) long with a longest span of 90 ft (27.4 m) and a deck 27 ft wide.
Who owns NW 50th ST over Thompson Rvr?
It is owned by the County Highway Agency.