US Bridges

I-8 WB over Peart RD

Fair

Pinal County, Arizona · 2.7 MI W JCT I-10 · Structure no. 01200

Built
1967
58 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
95 ft
3 main spans
Daily traffic
4,621
2023 count
Owner
State
State Highway Agency

About this bridge

I-8 WB over Peart RD is a concrete continuous slab carrying I-8 WB over Peart RD in Pinal County, Arizona. It was built in 1967, so it is 58 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 4,621 vehicles a day, roughly 19% of them trucks, projected to reach 4,631 by 2042. The structure is 95 ft (29 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-8 WB
CrossesPeart RD
Location2.7 MI W JCT I-10
RouteInterstate 8
StateArizona
Coordinates32.8351, -111.7229
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length95 ft (29 m)
Longest span35 ft (10.7 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,621 (2023)
Projected traffic4,631 by 2042
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-8 WB over Peart RD built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-8 WB over Peart RD 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 February 2024.

How much traffic does I-8 WB over Peart RD carry?

About 4,621 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is I-8 WB over Peart RD?

The structure is 95 ft (29 m) long with a longest span of 35 ft (10.7 m) and a deck 42 ft wide.

Who owns I-8 WB over Peart RD?

It is owned by the State Highway Agency.