30th ST over Trib of Rock CR
GoodJackson County, Missouri · S 15 T 49 N R 32 W · Structure no. 34929
- Built
- 2014
- 11 years old
- Condition
- Good
- inspected February 2023
- Type
- Slab
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 100
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
30th ST over Trib of Rock CR is a concrete continuous slab carrying 30th ST over Trib of Rock CR in Jackson County, Missouri. It was built in 2014, so it is 11 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 130 by 2044. The structure is 23 ft (7 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 30th ST over Trib of Rock CR built?
It was built in 2014, making it 11 years old in 2025.
What condition is 30th ST over Trib of Rock 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 February 2023.
How much traffic does 30th ST over Trib of Rock CR carry?
About 100 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is 30th ST over Trib of Rock CR?
The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 35 ft wide.
Who owns 30th ST over Trib of Rock CR?
It is owned by the City or Municipal Highway Agency.