N4520 over Owl Creek
PoorPosted for loadHaskell County, Oklahoma · 1.3S .5W of Mc Curtain · Structure no. 093780000000000
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Concrete
- Length
- 95 ft
- 3 main spans
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N4520 over Owl Creek is a concrete stringer/multi-beam or girder carrying N4520 over Owl Creek in Haskell County, Oklahoma. It was built in 1940, so it is 85 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 95 ft (29 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N4520 over Owl Creek built?
It was built in 1940, making it 85 years old in 2025.
What condition is N4520 over Owl 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 June 2023.
How much traffic does N4520 over Owl Creek carry?
About 100 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N4520 over Owl Creek?
The structure is 95 ft (29 m) long with a longest span of 32 ft (9.8 m) and a deck 23 ft wide.
Who owns N4520 over Owl Creek?
It is owned by the County Highway Agency.