US Bridges

SR 143 over Tempe DR Ditch #2

Fair

Maricopa County, Arizona · 0.4 MI North JCT I 10 · Structure no. 01801

Built
1978
47 years old, rebuilt 2001
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
81,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 143 over Tempe DR Ditch #2 is a prestressed concrete box beam or girders - multiple carrying SR 143 over Tempe DR Ditch #2 in Maricopa County, Arizona. It was built in 1978 and reconstructed in 2001, so it is 47 years old, younger 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 81,000 vehicles a day, roughly 12% of them trucks, projected to reach 81,010 by 2042. The structure is 53 ft (16.2 m) long and 120 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 143
CrossesTempe DR Ditch #2
Location0.4 MI North JCT I 10
RouteState Highway 143
CountyMaricopa County
StateArizona
Coordinates33.4167, -111.9782
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width120 ft (36.5 m)
Roadway width115 ft (35 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic81,000 (2023)
Projected traffic81,010 by 2042
Trucks12%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SR 143 over Tempe DR Ditch #2 built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2001.

What condition is SR 143 over Tempe DR Ditch #2 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 2023.

How much traffic does SR 143 over Tempe DR Ditch #2 carry?

About 81,000 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 143 over Tempe DR Ditch #2?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 120 ft wide.

Who owns SR 143 over Tempe DR Ditch #2?

It is owned by the State Highway Agency.