US 61 S over Is 55
FairNew Madrid County, Missouri · S 16 T 23 N R 14 E · Structure no. 939
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 277 ft
- 4 main spans
- Daily traffic
- 5,293
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 61 S over Is 55 is a steel continuous stringer/multi-beam or girder carrying US 61 S over Is 55 in New Madrid County, Missouri. It was built in 1964, so it is 61 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 5,293 vehicles a day, roughly 21% of them trucks, projected to reach 8,204 by 2044. The structure is 277 ft (84.4 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 8 Very Good | No problems noted. |
| Substructure | 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 Is 55 built?
It was built in 1964, making it 61 years old in 2025.
What condition is US 61 S over Is 55 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 December 2024.
How much traffic does US 61 S over Is 55 carry?
About 5,293 vehicles per day (2024 count), of which roughly 21% are trucks.
How long is US 61 S over Is 55?
The structure is 277 ft (84.4 m) long with a longest span of 86 ft (26.2 m) and a deck 32 ft wide.
Who owns US 61 S over Is 55?
It is owned by the State Highway Agency.