Is 55 S over Ramsey CR
FairScott County, Missouri · S 185 T 30 N R 13 E · Structure no. 4774
- Built
- 1954
- 71 years old, rebuilt 1988
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 306 ft
- 1 main span
- Daily traffic
- 18,355
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 55 S over Ramsey CR is a steel stringer/multi-beam or girder carrying Is 55 S over Ramsey CR in Scott County, Missouri. It was built in 1954 and reconstructed in 1988, so it is 71 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 18,355 vehicles a day, roughly 21% of them trucks, projected to reach 34,875 by 2044. The structure is 306 ft (93.3 m) long and 32 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 55 S over Ramsey CR built?
It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1988.
What condition is Is 55 S over Ramsey CR 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 April 2024.
How much traffic does Is 55 S over Ramsey CR carry?
About 18,355 vehicles per day (2024 count), of which roughly 21% are trucks.
How long is Is 55 S over Ramsey CR?
The structure is 306 ft (93.3 m) long with a longest span of 101 ft (30.9 m) and a deck 32 ft wide.
Who owns Is 55 S over Ramsey CR?
It is owned by the State Highway Agency.