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E1370 over Red Blanket Creek

McClain County, Oklahoma · rated Poor in the 2025 National Bridge Inventory

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

E1370 over Red Blanket Creek in McClain County, Oklahoma, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1991, making it 34 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 11 of the 242 inventoried bridges in McClain County rated poor (4.5%); 11 (4.5%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 61 ft
Location	.5E 2S .6E of Washington
NBI structure number	227980000000000
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I-44 over S. Canadian River	2000	45,900	Fair
I-35 over Creek	1959	45,100	Fair
I-35 over Creek	1959	36,300	Fair
I-35 over Creek	1959	36,300	Fair
I-35 NB over S.H. 74 SB Ramp Under	1967	35,900	Fair
I-35 over Creek	1959	35,100	Good