N4340 over W. Fork Big Cabin Creek
PoorPosted for loadCraig County, Oklahoma · 5.0 MI E of Centralia · Structure no. 017150000000000
- Built
- 1926
- 99 years old
- Condition
- Poor
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N4340 over W. Fork Big Cabin Creek is a concrete continuous slab carrying N4340 over W. Fork Big Cabin Creek in Craig County, Oklahoma. It was built in 1926, so it is 99 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 24 ft (7.4 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N4340 over W. Fork Big Cabin Creek built?
It was built in 1926, making it 99 years old in 2025.
What condition is N4340 over W. Fork Big Cabin 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 August 2024.
How much traffic does N4340 over W. Fork Big Cabin Creek carry?
About 50 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N4340 over W. Fork Big Cabin Creek?
The structure is 24 ft (7.4 m) long with a longest span of 11 ft (3.4 m) and a deck 20 ft wide.
Who owns N4340 over W. Fork Big Cabin Creek?
It is owned by the County Highway Agency.