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I 8 WB over Colo R Pentntry Av SPTCO

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

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

I 8 WB over Colo R Pentntry Av SPTCO in Yuma County, Arizona, 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 1978, making it 47 years old at the 2025 inventory.
It carries about 8,350 vehicles a day (traffic count year 2009).
Its listed owner is the state highway agency.
It is one of 123 of the 262 inventoried bridges in Yuma County rated fair (46.9%); 6 (2.3%) 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	Continuous prestressed concrete multiple box beam
Length	about 2,667 ft
Location	at Calif State Line
NBI structure number	01701
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
16th St over UPRR	1951	41,102	Fair
US 95 over I-8	1970	35,771	Fair
24th Street over Yuma East Main Canal	1977	31,727	Fair
Main Street over Main Drain	1999	24,767	Good
US 95 over East Main Canal	1969	22,266	Fair
32nd St over East Main Canal	1984	21,418	Good