Smizer Mill RD over N Trib of Williams
FairPosted for loadSt. Louis County, Missouri · S 30 T 44 N R 5 E · Structure no. 31451
- Built
- 2005
- 20 years old
- Condition
- Fair
- inspected March 2024
- Type
- Culvert
- Concrete
- Length
- 43 ft
- 1 main span
- Daily traffic
- 3,129
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Smizer Mill RD over N Trib of Williams is a concrete culvert carrying Smizer Mill RD over N Trib of Williams in St. Louis County, Missouri. It was built in 2005, so it is 20 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. Its operating status is: posted for load restriction.
It carries about 3,129 vehicles a day, roughly 3% of them trucks, projected to reach 4,224 by 2044. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Smizer Mill RD over N Trib of Williams built?
It was built in 2005, making it 20 years old in 2025.
What condition is Smizer Mill RD over N Trib of Williams 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 March 2024.
How much traffic does Smizer Mill RD over N Trib of Williams carry?
About 3,129 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is Smizer Mill RD over N Trib of Williams?
The structure is 43 ft (13.1 m) long with a longest span of 42 ft (12.8 m).
Who owns Smizer Mill RD over N Trib of Williams?
It is owned by the County Highway Agency.