US60WB; FAP 022 over Trilby Wash WB

Good

Maricopa County, Arizona · 5.1 MI E JCT SR 74 · Structure no. 00255

Built: 1941; 84 years old, rebuilt 1980
Condition: Good; inspected December 2023
Type: Slab; Concrete Continuous
Length: 174 ft; 7 main spans
Daily traffic: 6,400; 2021 count
Owner: State; State Highway Agency

About this bridge

US60WB; FAP 022 over Trilby Wash WB is a concrete continuous slab carrying US60WB; FAP 022 over Trilby Wash WB in Maricopa County, Arizona. It was built in 1941 and reconstructed in 1980, so it is 84 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,400 vehicles a day, roughly 16% of them trucks, projected to reach 6,410 by 2041. The structure is 174 ft (53 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesUS60WB; FAP 022

CrossesTrilby Wash WB

Location5.1 MI E JCT SR 74

RouteU.S. Route 60

CountyMaricopa County

StateArizona

Coordinates33.81302, -112.57354

Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	7 Good	Some minor problems.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionDecember 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourCountermeasures installed to correct a previously existing problem

Structural evaluation7: Better than present minimum criteria

Deck geometry9: Superior to present desirable criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating57 US tons

Inventory rating34 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans7

Design loadHS 20

Structure length174 ft (53 m)

Longest span25 ft (7.6 m)

Deck width47 ft (14.4 m)

Roadway width44 ft (13.4 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2021)

Projected traffic6,410 by 2041

Trucks16%

Lanes on structure2

Traffic directionOne-way traffic

CarriesHighway

CrossesWaterway

Detour if closed1.2 mi (2 km)

TollOn a free road

National Highway SystemYes

Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency

Maintained byState Highway Agency

Historic statusNot eligible for the National Register of Historic Places

Work proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was US60WB; FAP 022 over Trilby Wash WB built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1980.

What condition is US60WB; FAP 022 over Trilby Wash WB in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does US60WB; FAP 022 over Trilby Wash WB carry?

About 6,400 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is US60WB; FAP 022 over Trilby Wash WB?

The structure is 174 ft (53 m) long with a longest span of 25 ft (7.6 m) and a deck 47 ft wide.

Who owns US60WB; FAP 022 over Trilby Wash WB?

It is owned by the State Highway Agency.