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US 34 Ml over BNSF RR

Yuma County, Colorado · rated Fair in the 2025 National Bridge Inventory

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

US 34 Ml over BNSF RR in Yuma County, Colorado, 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 1935, making it 90 years old at the 2025 inventory.
It carries about 2,100 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 22 of the 47 inventoried bridges in Yuma County rated fair (46.8%); 2 (4.3%) 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 141 ft
Location	2 Mi W of Yuma
NBI structure number	D-25-A
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 385 Ml over N Fk Republican River	2008	3,600	Fair
US 34 Ml over Republican River	2021	3,600	Good
US 34 Ml over Republican River	2021	3,600	Good
Blake Street over N. Fork Republican River	1980	3,169	Poor
US 34 Ml over N Fk Republican River	2021	3,100	Good
Jackson Street over N. Fork Republican River	1996	1,702	Fair