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I-40; Sfr over Ltl Lithodendron Wash

Navajo County, Arizona · rated Poor in the 2025 National Bridge Inventory

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

I-40; Sfr over Ltl Lithodendron Wash in Navajo County, Arizona, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1932 and reconstructed in 1986, making it 93 years old at the 2025 inventory.
It carries about 60 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 6 of the 278 inventoried bridges in Navajo County rated poor (2.2%); 6 (2.2%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Timber stringer or multi-beam girder
Length	about 342 ft
Location	7.9 mi E Jct SR 77
NBI structure number	02057
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I 40 Nfr & Sfr over Wash	1974	24,335	Good
I 40; EB & WB over Wash	1954	24,068	Good
I 40; EB & WB over Wash	1962	23,968	Good
I 40; EB & WB over Wash	1962	23,968	Good
I 40; EB & WB over Wash	1965	23,968	Good
I 40; EB & WB over Wash	1965	23,968	Good