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Williams Rd over No Name Ditch 053

Pondera County, Montana · rated Fair in the 2025 National Bridge Inventory

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

Williams Rd over No Name Ditch 053 in Pondera County, Montana, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1960, making it 65 years old at the 2025 inventory.
It carries about 53 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 43 of the 96 inventoried bridges in Pondera County rated fair (44.8%); 4 (4.2%) 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	Timber stringer or multi-beam girder
Length	about 40 ft
Location	Williams
NBI structure number	L37001003+01001
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 15 over S Pondera Coulee	1964	3,248	Fair
I 15 over RR	1972	1,727	Good
I 15 over RR	1972	1,727	Good
I 15 over Dry Fork Marias River	1972	1,727	Good
I 15 over Dry Fork Marias River	1972	1,727	Good
S 21 over RR	1972	1,725	Good