Rt Z S over Dardenne CR
GoodSt. Charles County, Missouri · S 738 T 46 N R 1 E · Structure no. 29781
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 220 ft
- 3 main spans
- Daily traffic
- 8,589
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Rt Z S over Dardenne CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt Z S over Dardenne CR in St. Charles County, Missouri. It was built in 2004, so it is 21 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 8,589 vehicles a day, roughly 5% of them trucks, projected to reach 15,460 by 2044. The structure is 220 ft (67.1 m) long and 43 ft wide. If it were closed, the detour would be 21.7 mi (35 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rt Z S over Dardenne CR built?
It was built in 2004, making it 21 years old in 2025.
What condition is Rt Z S over Dardenne 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 September 2023.
How much traffic does Rt Z S over Dardenne CR carry?
About 8,589 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Rt Z S over Dardenne CR?
The structure is 220 ft (67.1 m) long with a longest span of 75 ft (22.9 m) and a deck 43 ft wide.
Who owns Rt Z S over Dardenne CR?
It is owned by the State Highway Agency.