815 S over US 54
GoodAudrain County, Missouri · S 12 T 50 N R 9 W · Structure no. 3950
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 308 ft
- 2 main spans
- Daily traffic
- 268
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
815 S over US 54 is a steel continuous stringer/multi-beam or girder carrying 815 S over US 54 in Audrain County, 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.
It carries about 268 vehicles a day, roughly 10% of them trucks, projected to reach 389 by 2044. The structure is 308 ft (93.9 m) long and 30 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 | 9 Excellent | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 815 S over US 54 built?
It was built in 1991, making it 34 years old in 2025.
What condition is 815 S 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 October 2023.
How much traffic does 815 S over US 54 carry?
About 268 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is 815 S over US 54?
The structure is 308 ft (93.9 m) long with a longest span of 127 ft (38.7 m) and a deck 30 ft wide.
Who owns 815 S over US 54?
It is owned by the State Highway Agency.