N3450 over Sand Creek
FairLincoln County, Oklahoma · 2 E .4 N of SH18 & US62 · Structure no. 230040000000000
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 78 ft
- 1 main span
- Daily traffic
- 250
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N3450 over Sand Creek is a prestressed concrete stringer/multi-beam or girder carrying N3450 over Sand Creek in Lincoln County, Oklahoma. It was built in 1992, so it is 33 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 250 vehicles a day, roughly 10% of them trucks, projected to reach 400 by 2042. The structure is 78 ft (23.8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N3450 over Sand Creek built?
It was built in 1992, making it 33 years old in 2025.
What condition is N3450 over Sand 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 June 2024.
How much traffic does N3450 over Sand Creek carry?
About 250 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N3450 over Sand Creek?
The structure is 78 ft (23.8 m) long with a longest span of 75 ft (22.9 m) and a deck 29 ft wide.
Who owns N3450 over Sand Creek?
It is owned by the County Highway Agency.