N4025 over Timber Lake Creek
PoorClosed to trafficWashington County, Oklahoma · 10.7 S 5.5 E of US 60 · Structure no. 031370000000000
- Built
- 1911
- 114 years old
- Condition
- Poor
- inspected October 2024
- Type
- Truss - Thru
- Steel
- Length
- 107 ft
- 1 main span
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N4025 over Timber Lake Creek is a steel truss - thru carrying N4025 over Timber Lake Creek in Washington County, Oklahoma. It was built in 1911, so it is 114 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 0 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: closed to all traffic.
It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 107 ft (32.6 m) long and 16 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 | 0 Failed | Out of service and beyond corrective action. |
| Superstructure | 0 Failed | Out of service and beyond corrective action. |
| Substructure | 0 Failed | Out of service and beyond corrective action. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N4025 over Timber Lake Creek built?
It was built in 1911, making it 114 years old in 2025.
What condition is N4025 over Timber Lake 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 October 2024.
How much traffic does N4025 over Timber Lake Creek carry?
About 100 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N4025 over Timber Lake Creek?
The structure is 107 ft (32.6 m) long with a longest span of 75 ft (22.9 m) and a deck 16 ft wide.
Who owns N4025 over Timber Lake Creek?
It is owned by the County Highway Agency.