US 61 N over Is 55
PoorPemiscot County, Missouri · S 19 T 17 N R 12 E · Structure no. 1630
- Built
- 1971
- 54 years old, rebuilt 1984
- Condition
- Poor
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 273 ft
- 2 main spans
- Daily traffic
- 1,250
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 61 N over Is 55 is a steel continuous stringer/multi-beam or girder carrying US 61 N over Is 55 in Pemiscot County, Missouri. It was built in 1971 and reconstructed in 1984, so it is 54 years old, older than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 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.
It carries about 1,250 vehicles a day, roughly 4% of them trucks, projected to reach 2,125 by 2044. The structure is 273 ft (83.2 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 61 N over Is 55 built?
It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1984.
What condition is US 61 N over Is 55 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 February 2024.
How much traffic does US 61 N over Is 55 carry?
About 1,250 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is US 61 N over Is 55?
The structure is 273 ft (83.2 m) long with a longest span of 95 ft (29 m) and a deck 47 ft wide.
Who owns US 61 N over Is 55?
It is owned by the State Highway Agency.