Timberlake Manor D over Is 64
PoorSt. Louis County, Missouri · S 11 T 45 N R 4 E · Structure no. 3843
- Built
- 1990
- 35 years old
- Condition
- Poor
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 240 ft
- 2 main spans
- Daily traffic
- 7,794
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Timberlake Manor D over Is 64 is a steel continuous stringer/multi-beam or girder carrying Timberlake Manor D over Is 64 in St. Louis County, Missouri. It was built in 1990, so it is 35 years old, younger than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 7,794 vehicles a day, roughly 5% of them trucks, projected to reach 11,691 by 2044. The structure is 240 ft (73.2 m) long and 94 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Timberlake Manor D over Is 64 built?
It was built in 1990, making it 35 years old in 2025.
What condition is Timberlake Manor D over Is 64 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does Timberlake Manor D over Is 64 carry?
About 7,794 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Timberlake Manor D over Is 64?
The structure is 240 ft (73.2 m) long with a longest span of 97 ft (29.6 m) and a deck 94 ft wide.
Who owns Timberlake Manor D over Is 64?
It is owned by the State Highway Agency.