Is 55 S over Cst Herky-Horine RD
GoodJefferson County, Missouri · S 19 T 41 N R 6 E · Structure no. 37407
- Built
- 2025
- 0 years old
- Condition
- Good
- inspected June 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 71 ft
- 1 main span
- Daily traffic
- 80,923
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 55 S over Cst Herky-Horine RD is a prestressed concrete box beam or girders - single or spread carrying Is 55 S over Cst Herky-Horine RD in Jefferson County, Missouri. It was built in 2025, so it is 0 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: new structure not yet open to traffic.
It carries about 80,923 vehicles a day, roughly 15% of them trucks, projected to reach 149,708 by 2044. The structure is 71 ft (21.5 m) long and 121 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 55 S over Cst Herky-Horine RD built?
It was built in 2025, making it 0 years old in 2025.
What condition is Is 55 S over Cst Herky-Horine RD 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 June 2023.
How much traffic does Is 55 S over Cst Herky-Horine RD carry?
About 80,923 vehicles per day (2024 count), of which roughly 15% are trucks.
How long is Is 55 S over Cst Herky-Horine RD?
The structure is 71 ft (21.5 m) long with a longest span of 67 ft (20.4 m) and a deck 121 ft wide.
Who owns Is 55 S over Cst Herky-Horine RD?
It is owned by the State Highway Agency.