N4480 over Cow Creek
GoodCraig County, Oklahoma · 4E .25N of Welch · Structure no. 304090000000000
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 61 ft
- 1 main span
- Daily traffic
- 85
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N4480 over Cow Creek is a prestressed concrete stringer/multi-beam or girder carrying N4480 over Cow Creek in Craig County, Oklahoma. It was built in 2013, so it is 12 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 85 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 61 ft (18.7 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N4480 over Cow Creek built?
It was built in 2013, making it 12 years old in 2025.
What condition is N4480 over Cow 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 September 2024.
How much traffic does N4480 over Cow Creek carry?
About 85 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N4480 over Cow Creek?
The structure is 61 ft (18.7 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.
Who owns N4480 over Cow Creek?
It is owned by the County Highway Agency.