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E1350 over Blacksmith Creek

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

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

E1350 over Blacksmith Creek in Pottawatomie 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 2000, making it 25 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 87 of the 408 inventoried bridges in Pottawatomie County rated good (21.3%); 25 (6.1%) 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 92 ft
Location	1 S & 1.3 W of St Louis
NBI structure number	252880000000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-40 WB over Old U.S. 270 Under	2018	38,000	Good
I-40 EB over Old U.S. 270 Under	2018	38,000	Good
I-40 over Creek	1961	34,400	Fair
I-40 over Deer Creek	2007	34,400	Good
I-40 over Creek	1962	27,900	Fair
I-40 over Creek	1963	20,500	Fair