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U.S. 77 S-w Ramp over Kilpatrick Tp/u.s. 77UND

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

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

U.S. 77 S-w Ramp over Kilpatrick Tp/u.s. 77UND in Oklahoma 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 1991, making it 34 years old at the 2025 inventory.
It carries about 3,000 vehicles a day (traffic count year 2022).
It is one of 438 of the 1,214 inventoried bridges in Oklahoma County rated good (36.1%); 80 (6.6%) 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	Continuous steel stringer or multi-beam girder
Length	about 925 ft
Location	130.99
NBI structure number	229520000000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-44 over Creek	1973	140,700	Fair
I-44 EB over I-44 Ramp N-e Under	1975	140,700	Fair
I-35 over Creek	1959	136,800	Good
I-44 over Creek	1974	128,300	Good
I-44 WB over S.H. 152 Ramp Under	1974	128,300	Fair
I-44 WB over I-44 Ramp S-w Under	1975	125,600	Fair