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Co. Rd. N3380 over S.H. 7 Spur Under

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

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

Co. Rd. N3380 over S.H. 7 Spur Under in Murray County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1991, making it 34 years old at the 2025 inventory.
It carries about 160 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 66 of the 128 inventoried bridges in Murray County rated fair (51.6%); 2 (1.6%) 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	Continuous prestressed concrete stringer or multi-beam girder
Length	about 270 ft
Location	2.9 Mi NE of SH 7
NBI structure number	229220000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-35 over Creek	1969	25,600	Fair
I-35 over Lick Branch Creek	1969	25,600	Fair
I-35 NB over U.S. 77 Under	1969	15,800	Fair
I-35 NB over Wild Horse Creek Oflow	1969	15,800	Fair
I-35 NB over Wild Horse Creek	1969	15,800	Fair
I-35 NB over S.H. 77D Under	1969	15,600	Fair