N3420 over Creek
FairPottawatomie County, Oklahoma · 1.1N&3.1E of Brooksville · Structure no. 083340000000000
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 83 ft
- 1 main span
- Daily traffic
- 75
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N3420 over Creek is a prestressed concrete stringer/multi-beam or girder carrying N3420 over Creek in Pottawatomie County, Oklahoma. It was built in 1990, so it is 35 years old, younger than the Oklahoma average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 83 ft (25.3 m) long and 29 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N3420 over Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is N3420 over Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.
How much traffic does N3420 over Creek carry?
About 75 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N3420 over Creek?
The structure is 83 ft (25.3 m) long with a longest span of 80 ft (24.4 m) and a deck 29 ft wide.
Who owns N3420 over Creek?
It is owned by the County Highway Agency.