Rt W S over Trib Niangua Rvr
FairWebster County, Missouri · S 20 T 31 N R 18 W · Structure no. 9748
- Built
- 1946
- 79 years old
- Condition
- Fair
- inspected November 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 1,704
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Rt W S over Trib Niangua Rvr is a concrete continuous culvert carrying Rt W S over Trib Niangua Rvr in Webster County, Missouri. It was built in 1946, so it is 79 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 1,704 vehicles a day, roughly 11% of them trucks, projected to reach 2,726 by 2044. The structure is 25 ft (7.5 m) long and 28 ft wide. If it were closed, the detour would be 23 mi (37 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rt W S over Trib Niangua Rvr built?
It was built in 1946, making it 79 years old in 2025.
What condition is Rt W S over Trib Niangua 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 November 2024.
How much traffic does Rt W S over Trib Niangua Rvr carry?
About 1,704 vehicles per day (2024 count), of which roughly 11% are trucks.
How long is Rt W S over Trib Niangua Rvr?
The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.
Who owns Rt W S over Trib Niangua Rvr?
It is owned by the State Highway Agency.