US 61 N over Rt B
FairLewis County, Missouri · S 11 T 60 N R 6 W · Structure no. 2881
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 185 ft
- 3 main spans
- Daily traffic
- 4,372
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 61 N over Rt B is a steel continuous stringer/multi-beam or girder carrying US 61 N over Rt B in Lewis County, Missouri. It was built in 1974, 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 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 4,372 vehicles a day, roughly 32% of them trucks, projected to reach 8,307 by 2044. The structure is 185 ft (56.4 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 61 N over Rt B built?
It was built in 1974, making it 51 years old in 2025.
What condition is US 61 N over Rt B 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 October 2024.
How much traffic does US 61 N over Rt B carry?
About 4,372 vehicles per day (2024 count), of which roughly 32% are trucks.
How long is US 61 N over Rt B?
The structure is 185 ft (56.4 m) long with a longest span of 72 ft (21.9 m) and a deck 42 ft wide.
Who owns US 61 N over Rt B?
It is owned by the State Highway Agency.