N4085 over Miller Creek
GoodPittsburg County, Oklahoma · 1.5 S 2.5 W of Alderso · Structure no. 063290000000000
- Built
- 1938
- 87 years old
- Condition
- Good
- inspected August 2023
- Type
- Slab
- Concrete
- Length
- 42 ft
- 3 main spans
- Daily traffic
- 350
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N4085 over Miller Creek is a concrete slab carrying N4085 over Miller Creek in Pittsburg County, Oklahoma. It was built in 1938, so it is 87 years old, older 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 350 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 42 ft (12.8 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| 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 N4085 over Miller Creek built?
It was built in 1938, making it 87 years old in 2025.
What condition is N4085 over Miller 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 August 2023.
How much traffic does N4085 over Miller Creek carry?
About 350 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N4085 over Miller Creek?
The structure is 42 ft (12.8 m) long with a longest span of 11 ft (3.4 m) and a deck 24 ft wide.
Who owns N4085 over Miller Creek?
It is owned by the County Highway Agency.