N4520 over Park Hill Branch
GoodPosted for loadCherokee County, Oklahoma · 4.1 MI S of Tahlequah · Structure no. 239180000000000
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected July 2024
- Type
- Culvert
- Concrete
- Length
- 49 ft
- 3 main spans
- Daily traffic
- 150
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N4520 over Park Hill Branch is a concrete culvert carrying N4520 over Park Hill Branch in Cherokee County, Oklahoma. It was built in 1995, so it is 30 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. Its operating status is: posted for load restriction.
It carries about 150 vehicles a day, roughly 10% of them trucks, projected to reach 240 by 2042. The structure is 49 ft (14.9 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N4520 over Park Hill Branch built?
It was built in 1995, making it 30 years old in 2025.
What condition is N4520 over Park Hill Branch 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 July 2024.
How much traffic does N4520 over Park Hill Branch carry?
About 150 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N4520 over Park Hill Branch?
The structure is 49 ft (14.9 m) long with a longest span of 17 ft (5.2 m) and a deck 40 ft wide.
Who owns N4520 over Park Hill Branch?
It is owned by the County Highway Agency.