S.H. 99 over Birch Creek
GoodOsage County, Oklahoma · 2.7 N JCT S.H. 10 · Structure no. 312370000000000
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected August 2023
- Type
- Culvert
- Concrete
- Length
- 48 ft
- 3 main spans
- Daily traffic
- 550
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
S.H. 99 over Birch Creek is a concrete culvert carrying S.H. 99 over Birch Creek in Osage County, Oklahoma. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 550 vehicles a day, roughly 14% of them trucks, projected to reach 700 by 2042. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 52.2 mi (84 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S.H. 99 over Birch Creek built?
It was built in 2021, making it 4 years old in 2025.
What condition is S.H. 99 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 August 2023.
How much traffic does S.H. 99 over Birch Creek carry?
About 550 vehicles per day (2022 count), of which roughly 14% are trucks.
How long is S.H. 99 over Birch Creek?
The structure is 48 ft (14.6 m) long with a longest span of 16 ft (4.9 m).
Who owns S.H. 99 over Birch Creek?
It is owned by the State Highway Agency.