Mo 13 N over US 54
GoodSt. Clair County, Missouri · S 12 T 36 N R 25 W · Structure no. 31638
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 192 ft
- 3 main spans
- Daily traffic
- 7,409
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 13 N over US 54 is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 13 N over US 54 in St. Clair County, Missouri. It was built in 2006, so it is 19 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.
It carries about 7,409 vehicles a day, roughly 9% of them trucks, projected to reach 12,966 by 2044. The structure is 192 ft (58.5 m) long and 43 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mo 13 N over US 54 built?
It was built in 2006, making it 19 years old in 2025.
What condition is Mo 13 N over US 54 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 September 2024.
How much traffic does Mo 13 N over US 54 carry?
About 7,409 vehicles per day (2024 count), of which roughly 9% are trucks.
How long is Mo 13 N over US 54?
The structure is 192 ft (58.5 m) long with a longest span of 92 ft (28 m) and a deck 43 ft wide.
Who owns Mo 13 N over US 54?
It is owned by the State Highway Agency.