Niangua RD over Br of Niangua CR
GoodDallas County, Missouri · S 28 T 33 N R 19 W · Structure no. 28349
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected March 2024
- Type
- Slab
- Concrete Continuous
- Length
- 40 ft
- 3 main spans
- Daily traffic
- 30
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Niangua RD over Br of Niangua CR is a concrete continuous slab carrying Niangua RD over Br of Niangua CR in Dallas County, Missouri. It was built in 1997, so it is 28 years old, younger than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 42 by 2043. The structure is 40 ft (12.2 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Niangua RD over Br of Niangua CR built?
It was built in 1997, making it 28 years old in 2025.
What condition is Niangua RD over Br of Niangua CR in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.
How much traffic does Niangua RD over Br of Niangua CR carry?
About 30 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Niangua RD over Br of Niangua CR?
The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.8 m) and a deck 22 ft wide.
Who owns Niangua RD over Br of Niangua CR?
It is owned by the County Highway Agency.