N4570 over Benningfield Creek
GoodMcCurtain County, Oklahoma · 0.5 S; 1.5 W N Pole Store · Structure no. 288940000000000
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 73 ft
- 1 main span
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N4570 over Benningfield Creek is a prestressed concrete stringer/multi-beam or girder carrying N4570 over Benningfield Creek in McCurtain County, Oklahoma. It was built in 2012, so it is 13 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2042. The structure is 73 ft (22.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N4570 over Benningfield Creek built?
It was built in 2012, making it 13 years old in 2025.
What condition is N4570 over Benningfield 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 N4570 over Benningfield Creek carry?
About 50 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is N4570 over Benningfield Creek?
The structure is 73 ft (22.3 m) long with a longest span of 71 ft (21.5 m) and a deck 28 ft wide.
Who owns N4570 over Benningfield Creek?
It is owned by the County Highway Agency.