N4070 over Opossum Creek
FairNowata County, Oklahoma · 10.4 NW of 10 · Structure no. 201040000000000
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected May 2024
- Type
- Culvert
- Concrete
- Length
- 47 ft
- 3 main spans
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N4070 over Opossum Creek is a concrete culvert carrying N4070 over Opossum Creek in Nowata County, Oklahoma. It was built in 1982, so it is 43 years old, younger than the Oklahoma average of 47.8 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 47 ft (14.3 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N4070 over Opossum Creek built?
It was built in 1982, making it 43 years old in 2025.
What condition is N4070 over Opossum 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 May 2024.
How much traffic does N4070 over Opossum Creek carry?
About 100 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N4070 over Opossum Creek?
The structure is 47 ft (14.3 m) long with a longest span of 17 ft (5.2 m) and a deck 34 ft wide.
Who owns N4070 over Opossum Creek?
It is owned by the County Highway Agency.