N3750 over Birch Creek
GoodOsage County, Oklahoma · 1.1S Os SH11; .4W of SH99 · Structure no. 266780000000000
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 61 ft
- 1 main span
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N3750 over Birch Creek is a steel stringer/multi-beam or girder carrying N3750 over Birch Creek in Osage County, Oklahoma. It was built in 2001, so it is 24 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 10% of them trucks, projected to reach 160 by 2042. The structure is 61 ft (18.7 m) long and 22 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 | 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 N3750 over Birch Creek built?
It was built in 2001, making it 24 years old in 2025.
What condition is N3750 over Birch 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 April 2024.
How much traffic does N3750 over Birch Creek carry?
About 100 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N3750 over Birch Creek?
The structure is 61 ft (18.7 m) long with a longest span of 60 ft (18.3 m) and a deck 22 ft wide.
Who owns N3750 over Birch Creek?
It is owned by the County Highway Agency.