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N2980 over Mountain Creek

Jefferson County, Oklahoma · rated Fair in the 2025 National Bridge Inventory

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

N2980 over Mountain Creek in Jefferson County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1990, making it 35 years old at the 2025 inventory.
It carries about 25 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 67 of the 150 inventoried bridges in Jefferson County rated fair (44.7%); 8 (5.3%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 40 ft
Location	8.6 Mi N of US 70
NBI structure number	225270000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
U.S. 70 over Creek	1932	3,000	Good
U.S. 81 over Creek	1929	2,900	Good
U.S. 81 over Creek	1929	2,900	Good
U.S. 81 over Creek	1959	2,900	Good
U.S. 81 over Creek	1959	2,900	Good
U.S. 70 over Long Branch Creek	2001	2,900	Good