N4645 over Creek
PoorPosted for loadAdair County, Oklahoma · 3.5E 1.2N of SW C/L · Structure no. 099760000000000
- Built
- 1942
- 83 years old
- Condition
- Poor
- inspected July 2023
- Type
- Culvert
- Concrete
- Length
- 52 ft
- 6 main spans
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N4645 over Creek is a concrete culvert carrying N4645 over Creek in Adair County, Oklahoma. It was built in 1942, so it is 83 years old, older than the Oklahoma average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. 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 52 ft (16 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N4645 over Creek built?
It was built in 1942, making it 83 years old in 2025.
What condition is N4645 over Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.
How much traffic does N4645 over Creek carry?
About 50 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N4645 over Creek?
The structure is 52 ft (16 m) long with a longest span of 8 ft (2.4 m) and a deck 26 ft wide.
Who owns N4645 over Creek?
It is owned by the County Highway Agency.