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S.H. 43 over Muddy Boggy Creek Oflow

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

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

S.H. 43 over Muddy Boggy Creek Oflow in Coal County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1956 and reconstructed in 2019, making it 69 years old at the 2025 inventory.
It carries about 1,100 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 82 of the 143 inventoried bridges in Coal County rated fair (57.3%); 9 (6.3%) 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	Steel stringer or multi-beam girder
Length	about 202 ft
Location	1.5 Mi E US75
NBI structure number	136710000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
U.S. 75 over Creek	1932	4,600	Fair
U.S. 75 over Creek	1932	4,100	Good
U.S. 75 over Briar Creek	1932	4,100	Fair
U.S. 75 over Creek	1949	4,100	Fair
U.S. 75 over Caney Creek	2022	4,000	Good
S.H. 3 over Abandoned R.R. Under	1977	3,800	Fair