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N3350 over Spring Creek

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

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

N3350 over Spring Creek in Lincoln 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 7 (good condition) on the 0-9 scale.
It was built in 2010, making it 15 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 144 of the 446 inventoried bridges in Lincoln County rated good (32.3%); 70 (15.7%) 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 95 ft
Location	1W .7S of U.S.177/S.H.66
NBI structure number	284540000000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Turner Tp (I-44) over Slwc R.R. Under	1953	24,900	Good
Turner Tp (I-44) over Captain Creek	1953	24,900	Good
Turner Tp (I-44) over Deep Fork River	1953	24,900	Good
Turner Tp (I-44) over N3300 Under	2004	24,900	Good
Turner Tp (I-44) over County Rd Ns-3410 Under	2013	24,900	Good
Turner Tp (I-44) over County Rd Ns-3310 Under	2014	24,900	Good