N3850 over Mountain Creek
GoodCreek County, Oklahoma · 4E 3.2S of Kellyville · Structure no. 216800000000000
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 202 ft
- 2 main spans
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N3850 over Mountain Creek is a prestressed concrete stringer/multi-beam or girder carrying N3850 over Mountain Creek in Creek County, Oklahoma. It was built in 1987, so it is 38 years old, younger than the Oklahoma average of 47.8 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 202 ft (61.7 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N3850 over Mountain Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is N3850 over Mountain Creek 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 May 2024.
How much traffic does N3850 over Mountain Creek carry?
About 100 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is N3850 over Mountain Creek?
The structure is 202 ft (61.7 m) long with a longest span of 100 ft (30.5 m) and a deck 29 ft wide.
Who owns N3850 over Mountain Creek?
It is owned by the County Highway Agency.