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S.H. 146 over Cobb Creek

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

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

S.H. 146 over Cobb Creek in Caddo County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1974, making it 51 years old at the 2025 inventory.
It carries about 990 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 269 of the 423 inventoried bridges in Caddo County rated fair (63.6%); 50 (11.8%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 107 ft
Location	2 Mi N Jct SH 9
NBI structure number	187130000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-40 over Creek	1960	20,400	Good
I-40 over Creek	1959	20,300	Good
I-40 over Creek	1959	19,700	Good
I-40 over Deer Creek Trib.	1964	19,600	Good
I-40 over Creek	1960	19,000	Good
I-40 over White Canyon Creek Trib.	1960	19,000	Fair