Knox Ave over Rvr Des Peres
GoodPosted for loadSt. Louis city, Missouri · S 20 T 44 N R 6 E · Structure no. 12430
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 65 ft
- 1 main span
- Daily traffic
- 1,580
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Knox Ave over Rvr Des Peres is a prestressed concrete continuous stringer/multi-beam or girder carrying Knox Ave over Rvr Des Peres in St. Louis city, Missouri. It was built in 1991, so it is 34 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. Its operating status is: posted for load restriction.
It carries about 1,580 vehicles a day, roughly 5% of them trucks, projected to reach 2,133 by 2044. The structure is 65 ft (19.8 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Knox Ave over Rvr Des Peres built?
It was built in 1991, making it 34 years old in 2025.
What condition is Knox Ave over Rvr Des Peres 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 April 2024.
How much traffic does Knox Ave over Rvr Des Peres carry?
About 1,580 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Knox Ave over Rvr Des Peres?
The structure is 65 ft (19.8 m) long with a longest span of 65 ft (19.8 m) and a deck 35 ft wide.
Who owns Knox Ave over Rvr Des Peres?
It is owned by the City or Municipal Highway Agency.