IRR E4620 (4560C) over Little River
GoodMcCurtain County, Oklahoma · 2.6 N of Idabel · Structure no. 323470000000000
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 600 ft
- 6 main spans
- Daily traffic
- 1,000
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
IRR E4620 (4560C) over Little River is a prestressed concrete stringer/multi-beam or girder carrying IRR E4620 (4560C) over Little River in McCurtain County, Oklahoma. It was built in 2023, so it is 2 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 1,000 vehicles a day, roughly 15% of them trucks, projected to reach 1,600 by 2042. The structure is 600 ft (182.9 m) long and 34 ft wide. If it were closed, the detour would be 14.3 mi (23 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | 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 IRR E4620 (4560C) over Little River built?
It was built in 2023, making it 2 years old in 2025.
What condition is IRR E4620 (4560C) over Little River 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 April 2023.
How much traffic does IRR E4620 (4560C) over Little River carry?
About 1,000 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is IRR E4620 (4560C) over Little River?
The structure is 600 ft (182.9 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.
Who owns IRR E4620 (4560C) over Little River?
It is owned by the County Highway Agency.