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Irr E4620 (4560C) over Little River

McCurtain County, Oklahoma · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Irr E4620 (4560C) over Little River in McCurtain County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2023, making it 2 years old at the 2025 inventory.
It carries about 1,000 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 146 of the 265 inventoried bridges in McCurtain County rated good (55.1%); 28 (10.6%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 600 ft
Location	2.6 N of Idabel
NBI structure number	323470000000000
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.

Bridge	Built	Vehicles/day	Condition
U.S. 70 N.B. over Little River Oflow	2017	12,300	Good
U.S. 70 N.B. over Little River Oflow	2017	12,300	Good
U.S. 70/us-259/sh3 over Creek	1934	12,000	Good
U.S. 70 over Clear Creek	2018	8,400	Good
U.S. 259 over Yanubbee Creek	1957	6,900	Good
U.S. 259 over Yanubbee Creek	1957	6,800	Good