N4480 (3138C) over San Bois Creek
GoodHaskell County, Oklahoma · 3.5S 4.5E of Stigler · Structure no. 298860000000000
- Built
- 2014
- 11 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 365 ft
- 4 main spans
- Daily traffic
- 250
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N4480 (3138C) over San Bois Creek is a prestressed concrete stringer/multi-beam or girder carrying N4480 (3138C) over San Bois Creek in Haskell County, Oklahoma. It was built in 2014, so it is 11 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 10% of them trucks, projected to reach 375 by 2042. The structure is 365 ft (111.4 m) long and 28 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N4480 (3138C) over San Bois Creek built?
It was built in 2014, making it 11 years old in 2025.
What condition is N4480 (3138C) over San Bois 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 June 2023.
How much traffic does N4480 (3138C) over San Bois Creek carry?
About 250 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N4480 (3138C) over San Bois Creek?
The structure is 365 ft (111.4 m) long with a longest span of 100 ft (30.5 m) and a deck 28 ft wide.
Who owns N4480 (3138C) over San Bois Creek?
It is owned by the County Highway Agency.