W Sunny Hill Blvd over Unnamed Tributary
FairSt. Charles County, Missouri · S 739 T 47 N R 3 E · Structure no. 33919
- Built
- 2012
- 13 years old
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 168 ft
- 3 main spans
- Daily traffic
- 500
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
W Sunny Hill Blvd over Unnamed Tributary is a prestressed concrete continuous stringer/multi-beam or girder carrying W Sunny Hill Blvd over Unnamed Tributary in St. Charles County, Missouri. It was built in 2012, so it is 13 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 775 by 2044. The structure is 168 ft (51.2 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was W Sunny Hill Blvd over Unnamed Tributary built?
It was built in 2012, making it 13 years old in 2025.
What condition is W Sunny Hill Blvd over Unnamed Tributary 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 January 2024.
How much traffic does W Sunny Hill Blvd over Unnamed Tributary carry?
About 500 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is W Sunny Hill Blvd over Unnamed Tributary?
The structure is 168 ft (51.2 m) long with a longest span of 60 ft (18.3 m) and a deck 44 ft wide.
Who owns W Sunny Hill Blvd over Unnamed Tributary?
It is owned by the City or Municipal Highway Agency.