N3990 over Creek
PoorPosted for loadTulsa County, Oklahoma · Sheridan .9 S. 166 ST N · Structure no. 073990000000000
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 23 ft
- 1 main span
- Daily traffic
- 140
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
N3990 over Creek is a steel stringer/multi-beam or girder carrying N3990 over Creek in Tulsa 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 3 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 140 vehicles a day, roughly 10% of them trucks, projected to reach 225 by 2044. The structure is 23 ft (7 m) long and 16 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 N3990 over Creek built?
It was built in 1940, making it 85 years old in 2025.
What condition is N3990 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 August 2024.
How much traffic does N3990 over Creek carry?
About 140 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is N3990 over Creek?
The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 16 ft wide.
Who owns N3990 over Creek?
It is owned by the County Highway Agency.