Rt Nn S over Perche Creek
FairBoone County, Missouri · S 17 T 50 N R 13 W · Structure no. 8057
- Built
- 1962
- 63 years old, rebuilt 2009
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 199 ft
- 3 main spans
- Daily traffic
- 247
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Rt Nn S over Perche Creek is a steel continuous stringer/multi-beam or girder carrying Rt Nn S over Perche Creek in Boone County, Missouri. It was built in 1962 and reconstructed in 2009, so it is 63 years old, older 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.
It carries about 247 vehicles a day, roughly 2% of them trucks, projected to reach 432 by 2044. The structure is 199 ft (60.7 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rt Nn S over Perche Creek built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2009.
What condition is Rt Nn S over Perche Creek 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 September 2023.
How much traffic does Rt Nn S over Perche Creek carry?
About 247 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is Rt Nn S over Perche Creek?
The structure is 199 ft (60.7 m) long with a longest span of 75 ft (22.9 m) and a deck 25 ft wide.
Who owns Rt Nn S over Perche Creek?
It is owned by the State Highway Agency.