US 61 S over Wyaconda Rvr
FairLewis County, Missouri · S 14 T 61 N R 6 W · Structure no. 2851
- Built
- 1974
- 51 years old, rebuilt 2004
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 288 ft
- 3 main spans
- Daily traffic
- 7,028
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 61 S over Wyaconda Rvr is a steel continuous stringer/multi-beam or girder carrying US 61 S over Wyaconda Rvr in Lewis County, Missouri. It was built in 1974 and reconstructed in 2004, so it is 51 years old, older 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 5 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 7,028 vehicles a day, roughly 38% of them trucks, projected to reach 13,353 by 2044. The structure is 288 ft (87.8 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 US 61 S over Wyaconda Rvr built?
It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2004.
What condition is US 61 S over Wyaconda 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 July 2024.
How much traffic does US 61 S over Wyaconda Rvr carry?
About 7,028 vehicles per day (2024 count), of which roughly 38% are trucks.
How long is US 61 S over Wyaconda Rvr?
The structure is 288 ft (87.8 m) long with a longest span of 112 ft (34.1 m) and a deck 47 ft wide.
Who owns US 61 S over Wyaconda Rvr?
It is owned by the State Highway Agency.