N4528 over Fly Creek
GoodDelaware County, Oklahoma · 1.8N of HWY 85-A @bernice · Structure no. 244640000000000
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected February 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 121 ft
- 3 main spans
- Daily traffic
- 250
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N4528 over Fly Creek is a prestressed concrete tee beam carrying N4528 over Fly Creek in Delaware County, Oklahoma. It was built in 1994, so it is 31 years old, younger than the Oklahoma average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 250 vehicles a day, roughly 15% of them trucks, projected to reach 400 by 2042. The structure is 121 ft (36.9 m) long and 28 ft wide. If it were closed, the detour would be 5.6 mi (9 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 N4528 over Fly Creek built?
It was built in 1994, making it 31 years old in 2025.
What condition is N4528 over Fly Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.
How much traffic does N4528 over Fly Creek carry?
About 250 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is N4528 over Fly Creek?
The structure is 121 ft (36.9 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.
Who owns N4528 over Fly Creek?
It is owned by the County Highway Agency.