US Bridges

I 17; NB over Lake Pleasant Road

Fair

Maricopa County, Arizona · 8.0 MI N JCT SR 74 · Structure no. 01292

Built
1968
57 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete Continuous
Length
159 ft
3 main spans
Daily traffic
23,283
2022 count
Owner
State
State Highway Agency

About this bridge

I 17; NB over Lake Pleasant Road is a concrete continuous tee beam carrying I 17; NB over Lake Pleasant Road in Maricopa County, Arizona. It was built in 1968, so it is 57 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 23,283 vehicles a day, roughly 15% of them trucks, projected to reach 23,293 by 2042. The structure is 159 ft (48.5 m) long and 41 ft wide.

Location

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CarriesI 17; NB
CrossesLake Pleasant Road
Location8.0 MI N JCT SR 74
RouteInterstate 17
CountyMaricopa County
StateArizona
Coordinates33.9135, -112.1453
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating43 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span60 ft (18.3 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,283 (2022)
Projected traffic23,293 by 2042
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 17; NB over Lake Pleasant Road built?

It was built in 1968, making it 57 years old in 2025.

What condition is I 17; NB over Lake Pleasant Road in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does I 17; NB over Lake Pleasant Road carry?

About 23,283 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is I 17; NB over Lake Pleasant Road?

The structure is 159 ft (48.5 m) long with a longest span of 60 ft (18.3 m) and a deck 41 ft wide.

Who owns I 17; NB over Lake Pleasant Road?

It is owned by the State Highway Agency.