Rt Y S over Big Rvr
FairJefferson County, Missouri · S 3 T 40 N R 3 E · Structure no. 11959
- Built
- 2000
- 25 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 572 ft
- 5 main spans
- Daily traffic
- 1,056
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Rt Y S over Big Rvr is a steel continuous stringer/multi-beam or girder carrying Rt Y S over Big Rvr in Jefferson County, Missouri. It was built in 2000, so it is 25 years old, younger 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 1,056 vehicles a day, roughly 7% of them trucks, projected to reach 1,901 by 2044. The structure is 572 ft (174.3 m) long and 42 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Rt Y S over Big Rvr built?
It was built in 2000, making it 25 years old in 2025.
What condition is Rt Y S over Big 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 May 2024.
How much traffic does Rt Y S over Big Rvr carry?
About 1,056 vehicles per day (2024 count), of which roughly 7% are trucks.
How long is Rt Y S over Big Rvr?
The structure is 572 ft (174.3 m) long with a longest span of 142 ft (43.3 m) and a deck 42 ft wide.
Who owns Rt Y S over Big Rvr?
It is owned by the State Highway Agency.