N3890 over Blue River Oflow
GoodPosted for loadBryan County, Oklahoma · .5W 3.6N Wade · Structure no. 149850000000000
- Built
- 1960
- 65 years old
- Condition
- Good
- inspected May 2024
- Type
- Girder and Floorbeam System
- Concrete
- Length
- 57 ft
- 3 main spans
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N3890 over Blue River Oflow is a concrete girder and floorbeam system carrying N3890 over Blue River Oflow in Bryan County, Oklahoma. It was built in 1960, so it is 65 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. Its operating status is: posted for load restriction.
It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2042. The structure is 57 ft (17.4 m) long and 25 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N3890 over Blue River Oflow built?
It was built in 1960, making it 65 years old in 2025.
What condition is N3890 over Blue River Oflow 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 N3890 over Blue River Oflow carry?
About 50 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N3890 over Blue River Oflow?
The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.
Who owns N3890 over Blue River Oflow?
It is owned by the County Highway Agency.