Mo 129 S over Riley Br
FairChariton County, Missouri · S 2 T 54 N R 17 W · Structure no. 3943
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected December 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 33 ft
- 3 main spans
- Daily traffic
- 577
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 129 S over Riley Br is a concrete continuous culvert carrying Mo 129 S over Riley Br in Chariton County, Missouri. It was built in 1990, so it is 35 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 577 vehicles a day, roughly 13% of them trucks, projected to reach 721 by 2044. The structure is 33 ft (10.1 m) long and 37 ft wide. If it were closed, the detour would be 13 mi (21 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mo 129 S over Riley Br built?
It was built in 1990, making it 35 years old in 2025.
What condition is Mo 129 S over Riley Br 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 Mo 129 S over Riley Br carry?
About 577 vehicles per day (2024 count), of which roughly 13% are trucks.
How long is Mo 129 S over Riley Br?
The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 37 ft wide.
Who owns Mo 129 S over Riley Br?
It is owned by the State Highway Agency.