N4370 over San Bois Creek
GoodHaskell County, Oklahoma · 1.5 S of Kinta · Structure no. 199730000000000
- Built
- 1981
- 44 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 151 ft
- 3 main spans
- Daily traffic
- 100
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N4370 over San Bois Creek is a prestressed concrete stringer/multi-beam or girder carrying N4370 over San Bois Creek in Haskell County, Oklahoma. It was built in 1981, so it is 44 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 151 ft (46 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N4370 over San Bois Creek built?
It was built in 1981, making it 44 years old in 2025.
What condition is N4370 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 May 2023.
How much traffic does N4370 over San Bois Creek carry?
About 100 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N4370 over San Bois Creek?
The structure is 151 ft (46 m) long with a longest span of 51 ft (15.5 m) and a deck 28 ft wide.
Who owns N4370 over San Bois Creek?
It is owned by the County Highway Agency.